mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

ALSA: Kill snd_assert() in sound/core/* 

Kill snd_assert() in sound/core/*, either removed or replaced with
if () with snd_BUG_ON().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Iwai 2008-08-08 17:09:09 +02:00 committed by Jaroslav Kysela
parent 5ef03460a6
commit 7eaa943c8e
42 changed files with 583 additions and 388 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/sound/pcm.h
View File

@ -1015,4 +1015,6 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max)
(IEC958_AES1_CON_PCM_CODER<<8)|\
(IEC958_AES3_CON_FS_48000<<24))
#define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime)
#endif /* __SOUND_PCM_H */

50
sound/core/control.c
View File

@ -139,7 +139,8 @@ void snd_ctl_notify(struct snd_card *card, unsigned int mask,
struct snd_ctl_file *ctl;
struct snd_kctl_event *ev;
snd_assert(card != NULL && id != NULL, return);
if (snd_BUG_ON(!card || !id))
return;
read_lock(&card->ctl_files_rwlock);
#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
card->mixer_oss_change_count++;
@ -188,8 +189,8 @@ static struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol *control,
struct snd_kcontrol *kctl;
unsigned int idx;
snd_assert(control != NULL, return NULL);
snd_assert(control->count > 0, return NULL);
if (snd_BUG_ON(!control || !control->count))
return NULL;
kctl = kzalloc(sizeof(*kctl) + sizeof(struct snd_kcontrol_volatile) * control->count, GFP_KERNEL);
if (kctl == NULL) {
snd_printk(KERN_ERR "Cannot allocate control instance\n");
@ -218,8 +219,8 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol,
struct snd_kcontrol kctl;
unsigned int access;
snd_assert(ncontrol != NULL, return NULL);
snd_assert(ncontrol->info != NULL, return NULL);
if (snd_BUG_ON(!ncontrol || !ncontrol->info))
return NULL;
memset(&kctl, 0, sizeof(kctl));
kctl.id.iface = ncontrol->iface;
kctl.id.device = ncontrol->device;
@ -315,8 +316,8 @@ int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol)
if (! kcontrol)
return err;
snd_assert(card != NULL, goto error);
snd_assert(kcontrol->info != NULL, goto error);
if (snd_BUG_ON(!card || !kcontrol->info))
goto error;
id = kcontrol->id;
down_write(&card->controls_rwsem);
if (snd_ctl_find_id(card, &id)) {
@ -367,7 +368,8 @@ int snd_ctl_remove(struct snd_card *card, struct snd_kcontrol *kcontrol)
struct snd_ctl_elem_id id;
unsigned int idx;
snd_assert(card != NULL && kcontrol != NULL, return -EINVAL);
if (snd_BUG_ON(!card || !kcontrol))
return -EINVAL;
list_del(&kcontrol->list);
card->controls_count -= kcontrol->count;
id = kcontrol->id;
@ -487,7 +489,8 @@ struct snd_kcontrol *snd_ctl_find_numid(struct snd_card *card, unsigned int numi
{
struct snd_kcontrol *kctl;
snd_assert(card != NULL && numid != 0, return NULL);
if (snd_BUG_ON(!card || !numid))
return NULL;
list_for_each_entry(kctl, &card->controls, list) {
if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid)
return kctl;
@ -514,7 +517,8 @@ struct snd_kcontrol *snd_ctl_find_id(struct snd_card *card,
{
struct snd_kcontrol *kctl;
snd_assert(card != NULL && id != NULL, return NULL);
if (snd_BUG_ON(!card || !id))
return NULL;
if (id->numid != 0)
return snd_ctl_find_numid(card, id->numid);
list_for_each_entry(kctl, &card->controls, list) {
@ -647,7 +651,7 @@ static int snd_ctl_elem_info(struct snd_ctl_file *ctl,
#endif
result = kctl->info(kctl, info);
if (result >= 0) {
snd_assert(info->access == 0, );
snd_BUG_ON(info->access);
index_offset = snd_ctl_get_ioff(kctl, &info->id);
vd = &kctl->vd[index_offset];
snd_ctl_build_ioff(&info->id, kctl, index_offset);
@ -1160,7 +1164,8 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg
ctl = file->private_data;
card = ctl->card;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
switch (cmd) {
case SNDRV_CTL_IOCTL_PVERSION:
return put_user(SNDRV_CTL_VERSION, ip) ? -EFAULT : 0;
@ -1222,7 +1227,8 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer,
ssize_t result = 0;
ctl = file->private_data;
snd_assert(ctl != NULL && ctl->card != NULL, return -ENXIO);
if (snd_BUG_ON(!ctl || !ctl->card))
return -ENXIO;
if (!ctl->subscribed)
return -EBADFD;
if (count < sizeof(struct snd_ctl_event))
@ -1328,7 +1334,8 @@ static int _snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn,
{
struct snd_kctl_ioctl *p;
snd_assert(fcn != NULL, return -EINVAL);
if (snd_BUG_ON(!fcn))
return -EINVAL;
down_write(&snd_ioctl_rwsem);
list_for_each_entry(p, lists, list) {
if (p->fioctl == fcn) {
@ -1404,9 +1411,11 @@ static int snd_ctl_dev_register(struct snd_device *device)
int err, cardnum;
char name[16];
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
cardnum = card->number;
snd_assert(cardnum >= 0 && cardnum < SNDRV_CARDS, return -ENXIO);
if (snd_BUG_ON(cardnum < 0 || cardnum >= SNDRV_CARDS))
return -ENXIO;
sprintf(name, "controlC%i", cardnum);
if ((err = snd_register_device(SNDRV_DEVICE_TYPE_CONTROL, card, -1,
&snd_ctl_f_ops, card, name)) < 0)
@ -1423,9 +1432,11 @@ static int snd_ctl_dev_disconnect(struct snd_device *device)
struct snd_ctl_file *ctl;
int err, cardnum;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
cardnum = card->number;
snd_assert(cardnum >= 0 && cardnum < SNDRV_CARDS, return -ENXIO);
if (snd_BUG_ON(cardnum < 0 || cardnum >= SNDRV_CARDS))
return -ENXIO;
down_read(&card->controls_rwsem);
list_for_each_entry(ctl, &card->ctl_files, list) {
@ -1469,7 +1480,8 @@ int snd_ctl_create(struct snd_card *card)
.dev_disconnect = snd_ctl_dev_disconnect,
};
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
return snd_device_new(card, SNDRV_DEV_CONTROL, card, &ops);
}

3
sound/core/control_compat.c
View File

@ -398,7 +398,8 @@ static inline long snd_ctl_ioctl_compat(struct file *file, unsigned int cmd, uns
int err;
ctl = file->private_data;
snd_assert(ctl && ctl->card, return -ENXIO);
if (snd_BUG_ON(!ctl || !ctl->card))
return -ENXIO;
switch (cmd) {
case SNDRV_CTL_IOCTL_PVERSION:

26
sound/core/device.c
View File

@ -45,9 +45,8 @@ int snd_device_new(struct snd_card *card, snd_device_type_t type,
{
struct snd_device *dev;
snd_assert(card != NULL, return -ENXIO);
snd_assert(device_data != NULL, return -ENXIO);
snd_assert(ops != NULL, return -ENXIO);
if (snd_BUG_ON(!card || !device_data || !ops))
return -ENXIO;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
snd_printk(KERN_ERR "Cannot allocate device\n");
@ -80,8 +79,8 @@ int snd_device_free(struct snd_card *card, void *device_data)
{
struct snd_device *dev;
snd_assert(card != NULL, return -ENXIO);
snd_assert(device_data != NULL, return -ENXIO);
if (snd_BUG_ON(!card || !device_data))
return -ENXIO;
list_for_each_entry(dev, &card->devices, list) {
if (dev->device_data != device_data)
continue;
@ -123,8 +122,8 @@ int snd_device_disconnect(struct snd_card *card, void *device_data)
{
struct snd_device *dev;
snd_assert(card != NULL, return -ENXIO);
snd_assert(device_data != NULL, return -ENXIO);
if (snd_BUG_ON(!card || !device_data))
return -ENXIO;
list_for_each_entry(dev, &card->devices, list) {
if (dev->device_data != device_data)
continue;
@ -159,8 +158,8 @@ int snd_device_register(struct snd_card *card, void *device_data)
struct snd_device *dev;
int err;
snd_assert(card != NULL, return -ENXIO);
snd_assert(device_data != NULL, return -ENXIO);
if (snd_BUG_ON(!card || !device_data))
return -ENXIO;
list_for_each_entry(dev, &card->devices, list) {
if (dev->device_data != device_data)
continue;
@ -188,7 +187,8 @@ int snd_device_register_all(struct snd_card *card)
struct snd_device *dev;
int err;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
list_for_each_entry(dev, &card->devices, list) {
if (dev->state == SNDRV_DEV_BUILD && dev->ops->dev_register) {
if ((err = dev->ops->dev_register(dev)) < 0)
@ -208,7 +208,8 @@ int snd_device_disconnect_all(struct snd_card *card)
struct snd_device *dev;
int err = 0;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
list_for_each_entry(dev, &card->devices, list) {
if (snd_device_disconnect(card, dev->device_data) < 0)
err = -ENXIO;
@ -226,7 +227,8 @@ int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd)
int err;
unsigned int range_low, range_high;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
range_low = cmd * SNDRV_DEV_TYPE_RANGE_SIZE;
range_high = range_low + SNDRV_DEV_TYPE_RANGE_SIZE - 1;
__again:

16
sound/core/hwdep.c
View File

@ -353,9 +353,10 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device,
.dev_disconnect = snd_hwdep_dev_disconnect,
};
snd_assert(rhwdep != NULL, return -EINVAL);
*rhwdep = NULL;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
if (rhwdep)
*rhwdep = NULL;
hwdep = kzalloc(sizeof(*hwdep), GFP_KERNEL);
if (hwdep == NULL) {
snd_printk(KERN_ERR "hwdep: cannot allocate\n");
@ -374,13 +375,15 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device,
}
init_waitqueue_head(&hwdep->open_wait);
mutex_init(&hwdep->open_mutex);
*rhwdep = hwdep;
if (rhwdep)
*rhwdep = hwdep;
return 0;
}
static int snd_hwdep_free(struct snd_hwdep *hwdep)
{
snd_assert(hwdep != NULL, return -ENXIO);
if (!hwdep)
return 0;
if (hwdep->private_free)
hwdep->private_free(hwdep);
kfree(hwdep);
@ -440,7 +443,8 @@ static int snd_hwdep_dev_disconnect(struct snd_device *device)
{
struct snd_hwdep *hwdep = device->device_data;
snd_assert(hwdep != NULL, return -ENXIO);
if (snd_BUG_ON(!hwdep))
return -ENXIO;
mutex_lock(&register_mutex);
if (snd_hwdep_search(hwdep->card, hwdep->device) != hwdep) {
mutex_unlock(&register_mutex);

23
sound/core/info.c
View File

@ -217,7 +217,8 @@ static ssize_t snd_info_entry_read(struct file *file, char __user *buffer,
loff_t pos;
data = file->private_data;
snd_assert(data != NULL, return -ENXIO);
if (snd_BUG_ON(!data))
return -ENXIO;
pos = *offset;
if (pos < 0 || (long) pos != pos || (ssize_t) count < 0)
return -EIO;
@ -258,7 +259,8 @@ static ssize_t snd_info_entry_write(struct file *file, const char __user *buffer
loff_t pos;
data = file->private_data;
snd_assert(data != NULL, return -ENXIO);
if (snd_BUG_ON(!data))
return -ENXIO;
entry = data->entry;
pos = *offset;
if (pos < 0 || (long) pos != pos || (ssize_t) count < 0)
@ -614,7 +616,8 @@ int snd_info_card_create(struct snd_card *card)
char str[8];
struct snd_info_entry *entry;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
sprintf(str, "card%i", card->number);
if ((entry = snd_info_create_module_entry(card->module, str, NULL)) == NULL)
@ -636,7 +639,8 @@ int snd_info_card_register(struct snd_card *card)
{
struct proc_dir_entry *p;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
if (!strcmp(card->id, card->proc_root->name))
return 0;
@ -654,7 +658,8 @@ int snd_info_card_register(struct snd_card *card)
*/
void snd_info_card_disconnect(struct snd_card *card)
{
snd_assert(card != NULL, return);
if (!card)
return;
mutex_lock(&info_mutex);
if (card->proc_root_link) {
snd_remove_proc_entry(snd_proc_root, card->proc_root_link);
@ -671,7 +676,8 @@ void snd_info_card_disconnect(struct snd_card *card)
*/
int snd_info_card_free(struct snd_card *card)
{
snd_assert(card != NULL, return -ENXIO);
if (!card)
return 0;
snd_info_free_entry(card->proc_root);
card->proc_root = NULL;
return 0;
@ -849,7 +855,7 @@ static void snd_info_disconnect(struct snd_info_entry *entry)
return;
list_del_init(&entry->list);
root = entry->parent == NULL ? snd_proc_root : entry->parent->p;
snd_assert(root, return);
snd_BUG_ON(!root);
snd_remove_proc_entry(root, entry->p);
entry->p = NULL;
}
@ -947,7 +953,8 @@ int snd_info_register(struct snd_info_entry * entry)
{
struct proc_dir_entry *root, *p = NULL;
snd_assert(entry != NULL, return -ENXIO);
if (snd_BUG_ON(!entry))
return -ENXIO;
root = entry->parent == NULL ? snd_proc_root : entry->parent->p;
mutex_lock(&info_mutex);
p = snd_create_proc_entry(entry->name, entry->mode, root);

6
sound/core/info_oss.c
View File

@ -43,8 +43,10 @@ int snd_oss_info_register(int dev, int num, char *string)
{
char *x;
snd_assert(dev >= 0 && dev < SNDRV_OSS_INFO_DEV_COUNT, return -ENXIO);
snd_assert(num >= 0 && num < SNDRV_CARDS, return -ENXIO);
if (snd_BUG_ON(dev < 0 || dev >= SNDRV_OSS_INFO_DEV_COUNT))
return -ENXIO;
if (snd_BUG_ON(num < 0 || num >= SNDRV_CARDS))
return -ENXIO;
mutex_lock(&strings);
if (string == NULL) {
if ((x = snd_sndstat_strings[num][dev]) != NULL) {

3
sound/core/init.c
View File

@ -545,7 +545,8 @@ int snd_card_register(struct snd_card *card)
{
int err;
snd_assert(card != NULL, return -EINVAL);
if (snd_BUG_ON(!card))
return -EINVAL;
#ifndef CONFIG_SYSFS_DEPRECATED
if (!card->card_dev) {
card->card_dev = device_create_drvdata(sound_class, card->dev,

41
sound/core/memalloc.c
View File

@ -67,18 +67,6 @@ struct snd_mem_list {
/* id for pre-allocated buffers */
#define SNDRV_DMA_DEVICE_UNUSED (unsigned int)-1
#ifdef CONFIG_SND_DEBUG
#define __ASTRING__(x) #x
#define snd_assert(expr, args...) do {\
if (!(expr)) {\
printk(KERN_ERR "snd-malloc: BUG? (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\
args;\
}\
} while (0)
#else
#define snd_assert(expr, args...) /**/
#endif
/*
*
* Generic memory allocators
@ -111,8 +99,10 @@ void *snd_malloc_pages(size_t size, gfp_t gfp_flags)
int pg;
void *res;
snd_assert(size > 0, return NULL);
snd_assert(gfp_flags != 0, return NULL);
if (WARN_ON(!size))
return NULL;
if (WARN_ON(!gfp_flags))
return NULL;
gfp_flags |= __GFP_COMP; /* compound page lets parts be mapped */
pg = get_order(size);
if ((res = (void *) __get_free_pages(gfp_flags, pg)) != NULL)
@ -152,8 +142,8 @@ static void *snd_malloc_dev_pages(struct device *dev, size_t size, dma_addr_t *d
void *res;
gfp_t gfp_flags;
snd_assert(size > 0, return NULL);
snd_assert(dma != NULL, return NULL);
if (WARN_ON(!dma))
return NULL;
pg = get_order(size);
gfp_flags = GFP_KERNEL
| __GFP_COMP /* compound page lets parts be mapped */
@ -189,8 +179,8 @@ static void *snd_malloc_sbus_pages(struct device *dev, size_t size,
int pg;
void *res;
snd_assert(size > 0, return NULL);
snd_assert(dma_addr != NULL, return NULL);
if (WARN_ON(!dma_addr))
return NULL;
pg = get_order(size);
res = sbus_alloc_consistent(sdev, PAGE_SIZE * (1 << pg), dma_addr);
if (res != NULL)
@ -236,8 +226,10 @@ static void snd_free_sbus_pages(struct device *dev, size_t size,
int snd_dma_alloc_pages(int type, struct device *device, size_t size,
struct snd_dma_buffer *dmab)
{
snd_assert(size > 0, return -ENXIO);
snd_assert(dmab != NULL, return -ENXIO);
if (WARN_ON(!size))
return -ENXIO;
if (WARN_ON(!dmab))
return -ENXIO;
dmab->dev.type = type;
dmab->dev.dev = device;
@ -292,9 +284,6 @@ int snd_dma_alloc_pages_fallback(int type, struct device *device, size_t size,
{
int err;
snd_assert(size > 0, return -ENXIO);
snd_assert(dmab != NULL, return -ENXIO);
while ((err = snd_dma_alloc_pages(type, device, size, dmab)) < 0) {
if (err != -ENOMEM)
return err;
@ -353,7 +342,8 @@ size_t snd_dma_get_reserved_buf(struct snd_dma_buffer *dmab, unsigned int id)
{
struct snd_mem_list *mem;
snd_assert(dmab, return 0);
if (WARN_ON(!dmab))
return 0;
mutex_lock(&list_mutex);
list_for_each_entry(mem, &mem_list_head, list) {
@ -387,7 +377,8 @@ int snd_dma_reserve_buf(struct snd_dma_buffer *dmab, unsigned int id)
{
struct snd_mem_list *mem;
snd_assert(dmab, return -EINVAL);
if (WARN_ON(!dmab))
return -EINVAL;
mem = kmalloc(sizeof(*mem), GFP_KERNEL);
if (! mem)
return -ENOMEM;

30
sound/core/oss/copy.c
View File

@ -32,17 +32,18 @@ static snd_pcm_sframes_t copy_transfer(struct snd_pcm_plugin *plugin,
unsigned int channel;
unsigned int nchannels;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
return -ENXIO;
if (frames == 0)
return 0;
nchannels = plugin->src_format.channels;
for (channel = 0; channel < nchannels; channel++) {
snd_assert(src_channels->area.first % 8 == 0 &&
src_channels->area.step % 8 == 0,
return -ENXIO);
snd_assert(dst_channels->area.first % 8 == 0 &&
dst_channels->area.step % 8 == 0,
return -ENXIO);
if (snd_BUG_ON(src_channels->area.first % 8 ||
src_channels->area.step % 8))
return -ENXIO;
if (snd_BUG_ON(dst_channels->area.first % 8 ||
dst_channels->area.step % 8))
return -ENXIO;
if (!src_channels->enabled) {
if (dst_channels->wanted)
snd_pcm_area_silence(&dst_channels->area, 0, frames, plugin->dst_format.format);
@ -66,15 +67,20 @@ int snd_pcm_plugin_build_copy(struct snd_pcm_substream *plug,
struct snd_pcm_plugin *plugin;
int width;
snd_assert(r_plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!r_plugin))
return -ENXIO;
*r_plugin = NULL;
snd_assert(src_format->format == dst_format->format, return -ENXIO);
snd_assert(src_format->rate == dst_format->rate, return -ENXIO);
snd_assert(src_format->channels == dst_format->channels, return -ENXIO);
if (snd_BUG_ON(src_format->format != dst_format->format))
return -ENXIO;
if (snd_BUG_ON(src_format->rate != dst_format->rate))
return -ENXIO;
if (snd_BUG_ON(src_format->channels != dst_format->channels))
return -ENXIO;
width = snd_pcm_format_physical_width(src_format->format);
snd_assert(width > 0, return -ENXIO);
if (snd_BUG_ON(width <= 0))
return -ENXIO;
err = snd_pcm_plugin_build(plug, "copy", src_format, dst_format,
0, &plugin);

24
sound/core/oss/io.c
View File

@ -39,14 +39,17 @@ static snd_pcm_sframes_t io_playback_transfer(struct snd_pcm_plugin *plugin,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
snd_assert(plugin != NULL, return -ENXIO);
snd_assert(src_channels != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin))
return -ENXIO;
if (snd_BUG_ON(!src_channels))
return -ENXIO;
if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {
return pcm_write(plugin->plug, src_channels->area.addr, frames);
} else {
int channel, channels = plugin->dst_format.channels;
void **bufs = (void**)plugin->extra_data;
snd_assert(bufs != NULL, return -ENXIO);
if (snd_BUG_ON(!bufs))
return -ENXIO;
for (channel = 0; channel < channels; channel++) {
if (src_channels[channel].enabled)
bufs[channel] = src_channels[channel].area.addr;
@ -62,14 +65,17 @@ static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
snd_assert(plugin != NULL, return -ENXIO);
snd_assert(dst_channels != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin))
return -ENXIO;
if (snd_BUG_ON(!dst_channels))
return -ENXIO;
if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {
return pcm_read(plugin->plug, dst_channels->area.addr, frames);
} else {
int channel, channels = plugin->dst_format.channels;
void **bufs = (void**)plugin->extra_data;
snd_assert(bufs != NULL, return -ENXIO);
if (snd_BUG_ON(!bufs))
return -ENXIO;
for (channel = 0; channel < channels; channel++) {
if (dst_channels[channel].enabled)
bufs[channel] = dst_channels[channel].area.addr;
@ -107,9 +113,11 @@ int snd_pcm_plugin_build_io(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_format format;
struct snd_pcm_plugin *plugin;
snd_assert(r_plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!r_plugin))
return -ENXIO;
*r_plugin = NULL;
snd_assert(plug != NULL && params != NULL, return -ENXIO);
if (snd_BUG_ON(!plug || !params))
return -ENXIO;
format.format = params_format(params);
format.rate = params_rate(params);
format.channels = params_channels(params);

29
sound/core/oss/linear.c
View File

@ -92,7 +92,8 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin,
{
struct linear_priv *data;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
return -ENXIO;
data = (struct linear_priv *)plugin->extra_data;
if (frames == 0)
return 0;
@ -100,12 +101,12 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin,
{
unsigned int channel;
for (channel = 0; channel < plugin->src_format.channels; channel++) {
snd_assert(src_channels[channel].area.first % 8 == 0 &&
src_channels[channel].area.step % 8 == 0,
return -ENXIO);
snd_assert(dst_channels[channel].area.first % 8 == 0 &&
dst_channels[channel].area.step % 8 == 0,
return -ENXIO);
if (snd_BUG_ON(src_channels[channel].area.first % 8 ||
src_channels[channel].area.step % 8))
return -ENXIO;
if (snd_BUG_ON(dst_channels[channel].area.first % 8 ||
dst_channels[channel].area.step % 8))
return -ENXIO;
}
}
#endif
@ -154,13 +155,17 @@ int snd_pcm_plugin_build_linear(struct snd_pcm_substream *plug,
struct linear_priv *data;
struct snd_pcm_plugin *plugin;
snd_assert(r_plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!r_plugin))
return -ENXIO;
*r_plugin = NULL;
snd_assert(src_format->rate == dst_format->rate, return -ENXIO);
snd_assert(src_format->channels == dst_format->channels, return -ENXIO);
snd_assert(snd_pcm_format_linear(src_format->format) &&
snd_pcm_format_linear(dst_format->format), return -ENXIO);
if (snd_BUG_ON(src_format->rate != dst_format->rate))
return -ENXIO;
if (snd_BUG_ON(src_format->channels != dst_format->channels))
return -ENXIO;
if (snd_BUG_ON(!snd_pcm_format_linear(src_format->format) ||
!snd_pcm_format_linear(dst_format->format)))
return -ENXIO;
err = snd_pcm_plugin_build(plug, "linear format conversion",
src_format, dst_format,

18
sound/core/oss/mixer_oss.c
View File

@ -257,8 +257,10 @@ static int snd_mixer_oss_get_volume(struct snd_mixer_oss_file *fmixer, int slot)
result = pslot->get_volume(fmixer, pslot, &left, &right);
if (!pslot->stereo)
right = left;
snd_assert(left >= 0 && left <= 100, return -EIO);
snd_assert(right >= 0 && right <= 100, return -EIO);
if (snd_BUG_ON(left < 0 || left > 100))
return -EIO;
if (snd_BUG_ON(right < 0 || right > 100))
return -EIO;
if (result >= 0) {
pslot->volume[0] = left;
pslot->volume[1] = right;
@ -298,7 +300,8 @@ static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int
int __user *p = argp;
int tmp;
snd_assert(fmixer != NULL, return -ENXIO);
if (snd_BUG_ON(!fmixer))
return -ENXIO;
if (((cmd >> 8) & 0xff) == 'M') {
switch (cmd) {
case SOUND_MIXER_INFO:
@ -368,7 +371,8 @@ int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned l
{
struct snd_mixer_oss_file fmixer;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
if (card->mixer_oss == NULL)
return -ENXIO;
memset(&fmixer, 0, sizeof(fmixer));
@ -1284,9 +1288,11 @@ static int snd_mixer_oss_free1(void *private)
struct snd_card *card;
int idx;
snd_assert(mixer != NULL, return -ENXIO);
if (!mixer)
return 0;
card = mixer->card;
snd_assert(mixer == card->mixer_oss, return -ENXIO);
if (snd_BUG_ON(mixer != card->mixer_oss))
return -ENXIO;
card->mixer_oss = NULL;
for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++) {
struct snd_mixer_oss_slot *chn = &mixer->slots[idx];

27
sound/core/oss/mulaw.c
View File

@ -252,19 +252,20 @@ static snd_pcm_sframes_t mulaw_transfer(struct snd_pcm_plugin *plugin,
{
struct mulaw_priv *data;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
return -ENXIO;
if (frames == 0)
return 0;
#ifdef CONFIG_SND_DEBUG
{
unsigned int channel;
for (channel = 0; channel < plugin->src_format.channels; channel++) {
snd_assert(src_channels[channel].area.first % 8 == 0 &&
src_channels[channel].area.step % 8 == 0,
return -ENXIO);
snd_assert(dst_channels[channel].area.first % 8 == 0 &&
dst_channels[channel].area.step % 8 == 0,
return -ENXIO);
if (snd_BUG_ON(src_channels[channel].area.first % 8 ||
src_channels[channel].area.step % 8))
return -ENXIO;
if (snd_BUG_ON(dst_channels[channel].area.first % 8 ||
dst_channels[channel].area.step % 8))
return -ENXIO;
}
}
#endif
@ -305,11 +306,14 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_format *format;
mulaw_f func;
snd_assert(r_plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!r_plugin))
return -ENXIO;
*r_plugin = NULL;
snd_assert(src_format->rate == dst_format->rate, return -ENXIO);
snd_assert(src_format->channels == dst_format->channels, return -ENXIO);
if (snd_BUG_ON(src_format->rate != dst_format->rate))
return -ENXIO;
if (snd_BUG_ON(src_format->channels != dst_format->channels))
return -ENXIO;
if (dst_format->format == SNDRV_PCM_FORMAT_MU_LAW) {
format = src_format;
@ -323,7 +327,8 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
snd_BUG();
return -EINVAL;
}
snd_assert(snd_pcm_format_linear(format->format) != 0, return -ENXIO);
if (snd_BUG_ON(!snd_pcm_format_linear(format->format)))
return -ENXIO;
err = snd_pcm_plugin_build(plug, "Mu-Law<->linear conversion",
src_format, dst_format,

52
sound/core/oss/pcm_oss.c
View File

@ -452,7 +452,8 @@ static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm,
} else {
*params = *save;
max = snd_pcm_hw_param_max(pcm, params, var, max, &maxdir);
snd_assert(max >= 0, return -EINVAL);
if (max < 0)
return max;
last = 1;
}
_end:
@ -461,7 +462,7 @@ static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm,
v = snd_pcm_hw_param_last(pcm, params, var, dir);
else
v = snd_pcm_hw_param_first(pcm, params, var, dir);
snd_assert(v >= 0, return -EINVAL);
snd_BUG_ON(v < 0);
return v;
}
@ -778,7 +779,8 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,
while (oss_period_size * oss_periods > oss_buffer_size)
oss_period_size /= 2;
snd_assert(oss_period_size >= 16, return -EINVAL);
if (oss_period_size < 16)
return -EINVAL;
runtime->oss.period_bytes = oss_period_size;
runtime->oss.period_frames = 1;
runtime->oss.periods = oss_periods;
@ -895,7 +897,8 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
}
}
err = _snd_pcm_hw_param_set(sparams, SNDRV_PCM_HW_PARAM_FORMAT, sformat, 0);
snd_assert(err >= 0, goto failure);
if (err < 0)
goto failure;
if (direct) {
memcpy(params, sparams, sizeof(*params));
@ -958,11 +961,13 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);
snd_assert(err >= 0, goto failure);
if (err < 0)
goto failure;
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,
runtime->oss.periods, NULL);
snd_assert(err >= 0, goto failure);
if (err < 0)
goto failure;
snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
@ -1006,7 +1011,10 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
runtime->oss.periods = params_periods(sparams);
oss_period_size = snd_pcm_plug_client_size(substream, params_period_size(sparams));
snd_assert(oss_period_size >= 0, err = -EINVAL; goto failure);
if (oss_period_size < 0) {
err = -EINVAL;
goto failure;
}
#ifdef CONFIG_SND_PCM_OSS_PLUGINS
if (runtime->oss.plugin_first) {
err = snd_pcm_plug_alloc(substream, oss_period_size);
@ -1017,7 +1025,10 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
oss_period_size *= oss_frame_size;
oss_buffer_size = oss_period_size * runtime->oss.periods;
snd_assert(oss_buffer_size >= 0, err = -EINVAL; goto failure);
if (oss_buffer_size < 0) {
err = -EINVAL;
goto failure;
}
runtime->oss.period_bytes = oss_period_size;
runtime->oss.buffer_bytes = oss_buffer_size;
@ -1069,7 +1080,8 @@ static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_fil
return err;
}
}
snd_assert(asubstream != NULL, return -EIO);
if (!asubstream)
return -EIO;
if (r_substream)
*r_substream = asubstream;
return 0;
@ -1764,7 +1776,8 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
err = snd_pcm_hw_refine(substream, params);
format_mask = *hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
kfree(params);
snd_assert(err >= 0, return err);
if (err < 0)
return err;
for (fmt = 0; fmt < 32; ++fmt) {
if (snd_mask_test(&format_mask, fmt)) {
int f = snd_pcm_oss_format_to(fmt);
@ -2250,7 +2263,8 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file)
{
int cidx;
snd_assert(pcm_oss_file != NULL, return -ENXIO);
if (!pcm_oss_file)
return 0;
for (cidx = 0; cidx < 2; ++cidx) {
struct snd_pcm_substream *substream = pcm_oss_file->streams[cidx];
if (substream)
@ -2271,8 +2285,8 @@ static int snd_pcm_oss_open_file(struct file *file,
struct snd_pcm_substream *substream;
unsigned int f_mode = file->f_mode;
snd_assert(rpcm_oss_file != NULL, return -EINVAL);
*rpcm_oss_file = NULL;
if (rpcm_oss_file)
*rpcm_oss_file = NULL;
pcm_oss_file = kzalloc(sizeof(*pcm_oss_file), GFP_KERNEL);
if (pcm_oss_file == NULL)
@ -2312,7 +2326,8 @@ static int snd_pcm_oss_open_file(struct file *file,
}
file->private_data = pcm_oss_file;
*rpcm_oss_file = pcm_oss_file;
if (rpcm_oss_file)
*rpcm_oss_file = pcm_oss_file;
return 0;
}
@ -2321,7 +2336,8 @@ static int snd_task_name(struct task_struct *task, char *name, size_t size)
{
unsigned int idx;
snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL);
if (snd_BUG_ON(!task || !name || size < 2))
return -EINVAL;
for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++)
name[idx] = task->comm[idx];
name[idx] = '\0';
@ -2415,7 +2431,8 @@ static int snd_pcm_oss_release(struct inode *inode, struct file *file)
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
if (substream == NULL)
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
snd_assert(substream != NULL, return -ENXIO);
if (snd_BUG_ON(!substream))
return -ENXIO;
pcm = substream->pcm;
if (!pcm->card->shutdown)
snd_pcm_oss_sync(pcm_oss_file);
@ -2448,7 +2465,8 @@ static long snd_pcm_oss_ioctl(struct file *file, unsigned int cmd, unsigned long
if (substream != NULL)
break;
}
snd_assert(substream != NULL, return -ENXIO);
if (snd_BUG_ON(idx >= 2))
return -ENXIO;
return snd_mixer_oss_ioctl_card(substream->pcm->card, cmd, arg);
}
#endif

38
sound/core/oss/pcm_plugin.c
View File

@ -62,7 +62,8 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t
if ((width = snd_pcm_format_physical_width(format->format)) < 0)
return width;
size = frames * format->channels * width;
snd_assert((size % 8) == 0, return -ENXIO);
if (snd_BUG_ON(size % 8))
return -ENXIO;
size /= 8;
if (plugin->buf_frames < frames) {
vfree(plugin->buf);
@ -84,7 +85,8 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t
c->area.step = format->channels * width;
}
} else if (plugin->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) {
snd_assert((size % format->channels) == 0,);
if (snd_BUG_ON(size % format->channels))
return -EINVAL;
size /= format->channels;
for (channel = 0; channel < format->channels; channel++, c++) {
c->frames = frames;
@ -102,13 +104,15 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t
int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
{
int err;
snd_assert(snd_pcm_plug_first(plug) != NULL, return -ENXIO);
if (snd_BUG_ON(!snd_pcm_plug_first(plug)))
return -ENXIO;
if (snd_pcm_plug_stream(plug) == SNDRV_PCM_STREAM_PLAYBACK) {
struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug);
while (plugin->next) {
if (plugin->dst_frames)
frames = plugin->dst_frames(plugin, frames);
snd_assert(frames > 0, return -ENXIO);
if (snd_BUG_ON(frames <= 0))
return -ENXIO;
plugin = plugin->next;
err = snd_pcm_plugin_alloc(plugin, frames);
if (err < 0)
@ -119,7 +123,8 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
while (plugin->prev) {
if (plugin->src_frames)
frames = plugin->src_frames(plugin, frames);
snd_assert(frames > 0, return -ENXIO);
if (snd_BUG_ON(frames <= 0))
return -ENXIO;
plugin = plugin->prev;
err = snd_pcm_plugin_alloc(plugin, frames);
if (err < 0)
@ -148,8 +153,10 @@ int snd_pcm_plugin_build(struct snd_pcm_substream *plug,
struct snd_pcm_plugin *plugin;
unsigned int channels;
snd_assert(plug != NULL, return -ENXIO);
snd_assert(src_format != NULL && dst_format != NULL, return -ENXIO);
if (snd_BUG_ON(!plug))
return -ENXIO;
if (snd_BUG_ON(!src_format || !dst_format))
return -ENXIO;
plugin = kzalloc(sizeof(*plugin) + extra, GFP_KERNEL);
if (plugin == NULL)
return -ENOMEM;
@ -159,10 +166,10 @@ int snd_pcm_plugin_build(struct snd_pcm_substream *plug,
plugin->access = SNDRV_PCM_ACCESS_RW_INTERLEAVED;
plugin->src_format = *src_format;
plugin->src_width = snd_pcm_format_physical_width(src_format->format);
snd_assert(plugin->src_width > 0, );
snd_BUG_ON(plugin->src_width <= 0);
plugin->dst_format = *dst_format;
plugin->dst_width = snd_pcm_format_physical_width(dst_format->format);
snd_assert(plugin->dst_width > 0, );
snd_BUG_ON(plugin->dst_width <= 0);
if (plugin->stream == SNDRV_PCM_STREAM_PLAYBACK)
channels = src_format->channels;
else
@ -194,7 +201,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p
struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
int stream = snd_pcm_plug_stream(plug);
snd_assert(plug != NULL, return -ENXIO);
if (snd_BUG_ON(!plug))
return -ENXIO;
if (drv_frames == 0)
return 0;
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
@ -224,7 +232,8 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc
snd_pcm_sframes_t frames;
int stream = snd_pcm_plug_stream(plug);
snd_assert(plug != NULL, return -ENXIO);
if (snd_BUG_ON(!plug))
return -ENXIO;
if (clt_frames == 0)
return 0;
frames = clt_frames;
@ -540,7 +549,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plu
int width, nchannels, channel;
int stream = snd_pcm_plug_stream(plug);
snd_assert(buf != NULL, return -ENXIO);
if (snd_BUG_ON(!buf))
return -ENXIO;
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
plugin = snd_pcm_plug_first(plug);
format = &plugin->src_format;
@ -553,7 +563,9 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plu
if ((width = snd_pcm_format_physical_width(format->format)) < 0)
return width;
nchannels = format->channels;
snd_assert(plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED || format->channels <= 1, return -ENXIO);
if (snd_BUG_ON(plugin->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED &&
format->channels > 1))
return -ENXIO;
for (channel = 0; channel < nchannels; channel++, v++) {
v->frames = count;
v->enabled = 1;

42
sound/core/oss/rate.c
View File

@ -185,7 +185,8 @@ static snd_pcm_sframes_t rate_src_frames(struct snd_pcm_plugin *plugin, snd_pcm_
struct rate_priv *data;
snd_pcm_sframes_t res;
snd_assert(plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin))
return -ENXIO;
if (frames == 0)
return 0;
data = (struct rate_priv *)plugin->extra_data;
@ -217,7 +218,8 @@ static snd_pcm_sframes_t rate_dst_frames(struct snd_pcm_plugin *plugin, snd_pcm_
struct rate_priv *data;
snd_pcm_sframes_t res;
snd_assert(plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin))
return -ENXIO;
if (frames == 0)
return 0;
data = (struct rate_priv *)plugin->extra_data;
@ -252,19 +254,20 @@ static snd_pcm_sframes_t rate_transfer(struct snd_pcm_plugin *plugin,
snd_pcm_uframes_t dst_frames;
struct rate_priv *data;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
return -ENXIO;
if (frames == 0)
return 0;
#ifdef CONFIG_SND_DEBUG
{
unsigned int channel;
for (channel = 0; channel < plugin->src_format.channels; channel++) {
snd_assert(src_channels[channel].area.first % 8 == 0 &&
src_channels[channel].area.step % 8 == 0,
return -ENXIO);
snd_assert(dst_channels[channel].area.first % 8 == 0 &&
dst_channels[channel].area.step % 8 == 0,
return -ENXIO);
if (snd_BUG_ON(src_channels[channel].area.first % 8 ||
src_channels[channel].area.step % 8))
return -ENXIO;
if (snd_BUG_ON(dst_channels[channel].area.first % 8 ||
dst_channels[channel].area.step % 8))
return -ENXIO;
}
}
#endif
@ -281,7 +284,8 @@ static int rate_action(struct snd_pcm_plugin *plugin,
enum snd_pcm_plugin_action action,
unsigned long udata)
{
snd_assert(plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin))
return -ENXIO;
switch (action) {
case INIT:
case PREPARE:
@ -302,14 +306,20 @@ int snd_pcm_plugin_build_rate(struct snd_pcm_substream *plug,
struct rate_priv *data;
struct snd_pcm_plugin *plugin;
snd_assert(r_plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!r_plugin))
return -ENXIO;
*r_plugin = NULL;
snd_assert(src_format->channels == dst_format->channels, return -ENXIO);
snd_assert(src_format->channels > 0, return -ENXIO);
snd_assert(src_format->format == SNDRV_PCM_FORMAT_S16, return -ENXIO);
snd_assert(dst_format->format == SNDRV_PCM_FORMAT_S16, return -ENXIO);
snd_assert(src_format->rate != dst_format->rate, return -ENXIO);
if (snd_BUG_ON(src_format->channels != dst_format->channels))
return -ENXIO;
if (snd_BUG_ON(src_format->channels <= 0))
return -ENXIO;
if (snd_BUG_ON(src_format->format != SNDRV_PCM_FORMAT_S16))
return -ENXIO;
if (snd_BUG_ON(dst_format->format != SNDRV_PCM_FORMAT_S16))
return -ENXIO;
if (snd_BUG_ON(src_format->rate == dst_format->rate))
return -ENXIO;
err = snd_pcm_plugin_build(plug, "rate conversion",
src_format, dst_format,

12
sound/core/oss/route.c
View File

@ -54,7 +54,8 @@ static snd_pcm_sframes_t route_transfer(struct snd_pcm_plugin *plugin,
struct snd_pcm_plugin_channel *dvp;
int format;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
return -ENXIO;
if (frames == 0)
return 0;
@ -90,10 +91,13 @@ int snd_pcm_plugin_build_route(struct snd_pcm_substream *plug,
struct snd_pcm_plugin *plugin;
int err;
snd_assert(r_plugin != NULL, return -ENXIO);
if (snd_BUG_ON(!r_plugin))
return -ENXIO;
*r_plugin = NULL;
snd_assert(src_format->rate == dst_format->rate, return -ENXIO);
snd_assert(src_format->format == dst_format->format, return -ENXIO);
if (snd_BUG_ON(src_format->rate != dst_format->rate))
return -ENXIO;
if (snd_BUG_ON(src_format->format != dst_format->format))
return -ENXIO;
err = snd_pcm_plugin_build(plug, "route conversion",
src_format, dst_format, 0, &plugin);

34
sound/core/pcm.c
View File

@ -256,7 +256,6 @@ static char *snd_pcm_tstamp_mode_names[] = {
static const char *snd_pcm_stream_name(int stream)
{
snd_assert(stream <= SNDRV_PCM_STREAM_LAST, return NULL);
return snd_pcm_stream_names[stream];
}
@ -272,7 +271,6 @@ static const char *snd_pcm_subformat_name(snd_pcm_subformat_t subformat)
static const char *snd_pcm_tstamp_mode_name(int mode)
{
snd_assert(mode <= SNDRV_PCM_TSTAMP_LAST, return NULL);
return snd_pcm_tstamp_mode_names[mode];
}
@ -706,9 +704,10 @@ int snd_pcm_new(struct snd_card *card, char *id, int device,
.dev_disconnect = snd_pcm_dev_disconnect,
};
snd_assert(rpcm != NULL, return -EINVAL);
*rpcm = NULL;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
if (rpcm)
*rpcm = NULL;
pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
if (pcm == NULL) {
snd_printk(KERN_ERR "Cannot allocate PCM\n");
@ -732,7 +731,8 @@ int snd_pcm_new(struct snd_card *card, char *id, int device,
snd_pcm_free(pcm);
return err;
}
*rpcm = pcm;
if (rpcm)
*rpcm = pcm;
return 0;
}
@ -766,7 +766,8 @@ static int snd_pcm_free(struct snd_pcm *pcm)
{
struct snd_pcm_notify *notify;
snd_assert(pcm != NULL, return -ENXIO);
if (!pcm)
return 0;
list_for_each_entry(notify, &snd_pcm_notify_list, list) {
notify->n_unregister(pcm);
}
@ -797,9 +798,9 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
int prefer_subdevice = -1;
size_t size;
snd_assert(rsubstream != NULL, return -EINVAL);
if (snd_BUG_ON(!pcm || !rsubstream))
return -ENXIO;
*rsubstream = NULL;
snd_assert(pcm != NULL, return -ENXIO);
pstr = &pcm->streams[stream];
if (pstr->substream == NULL || pstr->substream_count == 0)
return -ENODEV;
@ -907,8 +908,9 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime;
if (PCM_RUNTIME_CHECK(substream))
return;
runtime = substream->runtime;
snd_assert(runtime != NULL, return);
if (runtime->private_free != NULL)
runtime->private_free(runtime);
snd_free_pages((void*)runtime->status,
@ -953,7 +955,8 @@ static int snd_pcm_dev_register(struct snd_device *device)
struct snd_pcm *pcm = device->device_data;
struct device *dev;
snd_assert(pcm != NULL && device != NULL, return -ENXIO);
if (snd_BUG_ON(!pcm || !device))
return -ENXIO;
mutex_lock(&register_mutex);
err = snd_pcm_add(pcm);
if (err) {
@ -1043,10 +1046,11 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
{
struct snd_pcm *pcm;
snd_assert(notify != NULL &&
notify->n_register != NULL &&
notify->n_unregister != NULL &&
notify->n_disconnect, return -EINVAL);
if (snd_BUG_ON(!notify ||
!notify->n_register ||
!notify->n_unregister ||
!notify->n_disconnect))
return -EINVAL;
mutex_lock(&register_mutex);
if (nfree) {
list_del(&notify->list);

3
sound/core/pcm_compat.c
View File

@ -397,7 +397,8 @@ static int snd_pcm_ioctl_sync_ptr_compat(struct snd_pcm_substream *substream,
snd_pcm_uframes_t boundary;
int err;
snd_assert(runtime, return -EINVAL);
if (snd_BUG_ON(!runtime))
return -EINVAL;
if (get_user(sflags, &src->flags) ||
get_user(scontrol.appl_ptr, &src->c.control.appl_ptr) ||

102
sound/core/pcm_lib.c
View File

@ -85,7 +85,8 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram
}
frames = runtime->buffer_size - runtime->silence_filled;
}
snd_assert(frames <= runtime->buffer_size, return);
if (snd_BUG_ON(frames > runtime->buffer_size))
return;
if (frames == 0)
return;
ofs = runtime->silence_start % runtime->buffer_size;
@ -96,7 +97,7 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram
if (substream->ops->silence) {
int err;
err = substream->ops->silence(substream, -1, ofs, transfer);
snd_assert(err >= 0, );
snd_BUG_ON(err < 0);
} else {
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, ofs);
snd_pcm_format_set_silence(runtime->format, hwbuf, transfer * runtime->channels);
@ -108,7 +109,7 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram
for (c = 0; c < channels; ++c) {
int err;
err = substream->ops->silence(substream, c, ofs, transfer);
snd_assert(err >= 0, );
snd_BUG_ON(err < 0);
}
} else {
size_t dma_csize = runtime->dma_bytes / channels;
@ -354,7 +355,7 @@ static inline unsigned int muldiv32(unsigned int a, unsigned int b,
{
u_int64_t n = (u_int64_t) a * b;
if (c == 0) {
snd_assert(n > 0, );
snd_BUG_ON(!n);
*r = 0;
return UINT_MAX;
}
@ -380,7 +381,8 @@ static inline unsigned int muldiv32(unsigned int a, unsigned int b,
int snd_interval_refine(struct snd_interval *i, const struct snd_interval *v)
{
int changed = 0;
snd_assert(!snd_interval_empty(i), return -EINVAL);
if (snd_BUG_ON(snd_interval_empty(i)))
return -EINVAL;
if (i->min < v->min) {
i->min = v->min;
i->openmin = v->openmin;
@ -423,7 +425,8 @@ EXPORT_SYMBOL(snd_interval_refine);
static int snd_interval_refine_first(struct snd_interval *i)
{
snd_assert(!snd_interval_empty(i), return -EINVAL);
if (snd_BUG_ON(snd_interval_empty(i)))
return -EINVAL;
if (snd_interval_single(i))
return 0;
i->max = i->min;
@ -435,7 +438,8 @@ static int snd_interval_refine_first(struct snd_interval *i)
static int snd_interval_refine_last(struct snd_interval *i)
{
snd_assert(!snd_interval_empty(i), return -EINVAL);
if (snd_BUG_ON(snd_interval_empty(i)))
return -EINVAL;
if (snd_interval_single(i))
return 0;
i->min = i->max;
@ -889,7 +893,8 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond,
c->private = private;
k = 0;
while (1) {
snd_assert(k < ARRAY_SIZE(c->deps), return -EINVAL);
if (snd_BUG_ON(k >= ARRAY_SIZE(c->deps)))
return -EINVAL;
c->deps[k++] = dep;
if (dep < 0)
break;
@ -1285,7 +1290,8 @@ int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm,
return changed;
if (params->rmask) {
int err = snd_pcm_hw_refine(pcm, params);
snd_assert(err >= 0, return err);
if (snd_BUG_ON(err < 0))
return err;
}
return snd_pcm_hw_param_value(params, var, dir);
}
@ -1330,7 +1336,8 @@ int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm,
return changed;
if (params->rmask) {
int err = snd_pcm_hw_refine(pcm, params);
snd_assert(err >= 0, return err);
if (snd_BUG_ON(err < 0))
return err;
}
return snd_pcm_hw_param_value(params, var, dir);
}
@ -1368,7 +1375,8 @@ int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm,
err = snd_pcm_hw_param_first(pcm, params, *v, NULL);
else
err = snd_pcm_hw_param_last(pcm, params, *v, NULL);
snd_assert(err >= 0, return err);
if (snd_BUG_ON(err < 0))
return err;
}
return 0;
}
@ -1466,9 +1474,9 @@ void snd_pcm_period_elapsed(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime;
unsigned long flags;
snd_assert(substream != NULL, return);
if (PCM_RUNTIME_CHECK(substream))
return;
runtime = substream->runtime;
snd_assert(runtime != NULL, return);
if (runtime->transfer_ack_begin)
runtime->transfer_ack_begin(substream);
@ -1567,7 +1575,6 @@ static int snd_pcm_lib_write_transfer(struct snd_pcm_substream *substream,
return err;
} else {
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff);
snd_assert(runtime->dma_area, return -EFAULT);
if (copy_from_user(hwbuf, buf, frames_to_bytes(runtime, frames)))
return -EFAULT;
}
@ -1629,7 +1636,10 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream,
cont = runtime->buffer_size - runtime->control->appl_ptr % runtime->buffer_size;
if (frames > cont)
frames = cont;
snd_assert(frames != 0, snd_pcm_stream_unlock_irq(substream); return -EINVAL);
if (snd_BUG_ON(!frames)) {
snd_pcm_stream_unlock_irq(substream);
return -EINVAL;
}
appl_ptr = runtime->control->appl_ptr;
appl_ofs = appl_ptr % runtime->buffer_size;
snd_pcm_stream_unlock_irq(substream);
@ -1669,18 +1679,30 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream,
return xfer > 0 ? (snd_pcm_sframes_t)xfer : err;
}
/* sanity-check for read/write methods */
static int pcm_sanity_check(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime;
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
if (snd_BUG_ON(!substream->ops->copy && !runtime->dma_area))
return -EINVAL;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
return 0;
}
snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const void __user *buf, snd_pcm_uframes_t size)
{
struct snd_pcm_runtime *runtime;
int nonblock;
int err;
snd_assert(substream != NULL, return -ENXIO);
err = pcm_sanity_check(substream);
if (err < 0)
return err;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -ENXIO);
snd_assert(substream->ops->copy != NULL || runtime->dma_area != NULL, return -EINVAL);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
nonblock = !!(substream->f_flags & O_NONBLOCK);
if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED &&
@ -1703,7 +1725,8 @@ static int snd_pcm_lib_writev_transfer(struct snd_pcm_substream *substream,
int channels = runtime->channels;
int c;
if (substream->ops->copy) {
snd_assert(substream->ops->silence != NULL, return -EINVAL);
if (snd_BUG_ON(!substream->ops->silence))
return -EINVAL;
for (c = 0; c < channels; ++c, ++bufs) {
if (*bufs == NULL) {
if ((err = substream->ops->silence(substream, c, hwoff, frames)) < 0)
@ -1717,7 +1740,6 @@ static int snd_pcm_lib_writev_transfer(struct snd_pcm_substream *substream,
} else {
/* default transfer behaviour */
size_t dma_csize = runtime->dma_bytes / channels;
snd_assert(runtime->dma_area, return -EFAULT);
for (c = 0; c < channels; ++c, ++bufs) {
char *hwbuf = runtime->dma_area + (c * dma_csize) + samples_to_bytes(runtime, hwoff);
if (*bufs == NULL) {
@ -1738,14 +1760,12 @@ snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream,
{
struct snd_pcm_runtime *runtime;
int nonblock;
int err;
snd_assert(substream != NULL, return -ENXIO);
err = pcm_sanity_check(substream);
if (err < 0)
return err;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -ENXIO);
snd_assert(substream->ops->copy != NULL || runtime->dma_area != NULL, return -EINVAL);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
nonblock = !!(substream->f_flags & O_NONBLOCK);
if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)
@ -1769,7 +1789,6 @@ static int snd_pcm_lib_read_transfer(struct snd_pcm_substream *substream,
return err;
} else {
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff);
snd_assert(runtime->dma_area, return -EFAULT);
if (copy_to_user(buf, hwbuf, frames_to_bytes(runtime, frames)))
return -EFAULT;
}
@ -1841,7 +1860,10 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream,
cont = runtime->buffer_size - runtime->control->appl_ptr % runtime->buffer_size;
if (frames > cont)
frames = cont;
snd_assert(frames != 0, snd_pcm_stream_unlock_irq(substream); return -EINVAL);
if (snd_BUG_ON(!frames)) {
snd_pcm_stream_unlock_irq(substream);
return -EINVAL;
}
appl_ptr = runtime->control->appl_ptr;
appl_ofs = appl_ptr % runtime->buffer_size;
snd_pcm_stream_unlock_irq(substream);
@ -1879,14 +1901,12 @@ snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __u
{
struct snd_pcm_runtime *runtime;
int nonblock;
int err;
snd_assert(substream != NULL, return -ENXIO);
err = pcm_sanity_check(substream);
if (err < 0)
return err;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -ENXIO);
snd_assert(substream->ops->copy != NULL || runtime->dma_area != NULL, return -EINVAL);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
nonblock = !!(substream->f_flags & O_NONBLOCK);
if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED)
return -EINVAL;
@ -1916,7 +1936,6 @@ static int snd_pcm_lib_readv_transfer(struct snd_pcm_substream *substream,
}
} else {
snd_pcm_uframes_t dma_csize = runtime->dma_bytes / channels;
snd_assert(runtime->dma_area, return -EFAULT);
for (c = 0; c < channels; ++c, ++bufs) {
char *hwbuf;
char __user *buf;
@ -1938,11 +1957,12 @@ snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream,
{
struct snd_pcm_runtime *runtime;
int nonblock;
int err;
snd_assert(substream != NULL, return -ENXIO);
err = pcm_sanity_check(substream);
if (err < 0)
return err;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -ENXIO);
snd_assert(substream->ops->copy != NULL || runtime->dma_area != NULL, return -EINVAL);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;

14
sound/core/pcm_memory.c
View File

@ -50,8 +50,6 @@ static int preallocate_pcm_pages(struct snd_pcm_substream *substream, size_t siz
struct snd_dma_buffer *dmab = &substream->dma_buffer;
int err;
snd_assert(size > 0, return -EINVAL);
/* already reserved? */
if (snd_dma_get_reserved_buf(dmab, substream->dma_buf_id) > 0) {
if (dmab->bytes >= size)
@ -342,10 +340,12 @@ int snd_pcm_lib_malloc_pages(struct snd_pcm_substream *substream, size_t size)
struct snd_pcm_runtime *runtime;
struct snd_dma_buffer *dmab = NULL;
snd_assert(substream->dma_buffer.dev.type != SNDRV_DMA_TYPE_UNKNOWN, return -EINVAL);
snd_assert(substream != NULL, return -EINVAL);
if (PCM_RUNTIME_CHECK(substream))
return -EINVAL;
if (snd_BUG_ON(substream->dma_buffer.dev.type ==
SNDRV_DMA_TYPE_UNKNOWN))
return -EINVAL;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -EINVAL);
if (runtime->dma_buffer_p) {
/* perphaps, we might free the large DMA memory region
@ -391,9 +391,9 @@ int snd_pcm_lib_free_pages(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime;
snd_assert(substream != NULL, return -EINVAL);
if (PCM_RUNTIME_CHECK(substream))
return -EINVAL;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -EINVAL);
if (runtime->dma_area == NULL)
return 0;
if (runtime->dma_buffer_p != &substream->dma_buffer) {

127
sound/core/pcm_native.c
View File

@ -95,7 +95,6 @@ int snd_pcm_info(struct snd_pcm_substream *substream, struct snd_pcm_info *info)
struct snd_pcm *pcm = substream->pcm;
struct snd_pcm_str *pstr = substream->pstr;
snd_assert(substream != NULL, return -ENXIO);
memset(info, 0, sizeof(*info));
info->card = pcm->card->number;
info->device = pcm->device;
@ -370,9 +369,9 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
unsigned int bits;
snd_pcm_uframes_t frames;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -ENXIO);
snd_pcm_stream_lock_irq(substream);
switch (runtime->status->state) {
case SNDRV_PCM_STATE_OPEN:
@ -490,9 +489,9 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime;
int result = 0;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -ENXIO);
snd_pcm_stream_lock_irq(substream);
switch (runtime->status->state) {
case SNDRV_PCM_STATE_SETUP:
@ -518,9 +517,9 @@ static int snd_pcm_sw_params(struct snd_pcm_substream *substream,
{
struct snd_pcm_runtime *runtime;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -ENXIO);
snd_pcm_stream_lock_irq(substream);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN) {
snd_pcm_stream_unlock_irq(substream);
@ -622,11 +621,8 @@ static int snd_pcm_status_user(struct snd_pcm_substream *substream,
struct snd_pcm_status __user * _status)
{
struct snd_pcm_status status;
struct snd_pcm_runtime *runtime;
int res;
snd_assert(substream != NULL, return -ENXIO);
runtime = substream->runtime;
memset(&status, 0, sizeof(status));
res = snd_pcm_status(substream, &status);
if (res < 0)
@ -642,7 +638,6 @@ static int snd_pcm_channel_info(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime;
unsigned int channel;
snd_assert(substream != NULL, return -ENXIO);
channel = info->channel;
runtime = substream->runtime;
snd_pcm_stream_lock_irq(substream);
@ -1250,7 +1245,6 @@ static int snd_pcm_do_reset(struct snd_pcm_substream *substream, int state)
int err = substream->ops->ioctl(substream, SNDRV_PCM_IOCTL1_RESET, NULL);
if (err < 0)
return err;
// snd_assert(runtime->status->hw_ptr < runtime->buffer_size, );
runtime->hw_ptr_base = 0;
runtime->hw_ptr_interrupt = runtime->status->hw_ptr -
runtime->status->hw_ptr % runtime->period_size;
@ -1421,7 +1415,6 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream)
int i, num_drecs;
struct drain_rec *drec, drec_tmp, *d;
snd_assert(substream != NULL, return -ENXIO);
card = substream->pcm->card;
runtime = substream->runtime;
@ -1541,7 +1534,8 @@ static int snd_pcm_drop(struct snd_pcm_substream *substream)
struct snd_card *card;
int result = 0;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
card = substream->pcm->card;
@ -1934,33 +1928,41 @@ int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream)
mask |= 1 << SNDRV_PCM_ACCESS_MMAP_COMPLEX;
}
err = snd_pcm_hw_constraint_mask(runtime, SNDRV_PCM_HW_PARAM_ACCESS, mask);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, hw->formats);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_mask(runtime, SNDRV_PCM_HW_PARAM_SUBFORMAT, 1 << SNDRV_PCM_SUBFORMAT_STD);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS,
hw->channels_min, hw->channels_max);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE,
hw->rate_min, hw->rate_max);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
hw->period_bytes_min, hw->period_bytes_max);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIODS,
hw->periods_min, hw->periods_max);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
hw->period_bytes_min, hw->buffer_bytes_max);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return err;
err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
snd_pcm_hw_rule_buffer_bytes_max, substream,
@ -1971,7 +1973,8 @@ int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream)
/* FIXME: remove */
if (runtime->dma_bytes) {
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, runtime->dma_bytes);
snd_assert(err >= 0, return -EINVAL);
if (err < 0)
return -EINVAL;
}
if (!(hw->rates & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))) {
@ -2067,8 +2070,8 @@ static int snd_pcm_open_file(struct file *file,
struct snd_pcm_str *str;
int err;
snd_assert(rpcm_file != NULL, return -EINVAL);
*rpcm_file = NULL;
if (rpcm_file)
*rpcm_file = NULL;
err = snd_pcm_open_substream(pcm, stream, file, &substream);
if (err < 0)
@ -2086,7 +2089,8 @@ static int snd_pcm_open_file(struct file *file,
substream->pcm_release = pcm_release_private;
}
file->private_data = pcm_file;
*rpcm_file = pcm_file;
if (rpcm_file)
*rpcm_file = pcm_file;
return 0;
}
@ -2170,7 +2174,8 @@ static int snd_pcm_release(struct inode *inode, struct file *file)
pcm_file = file->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, return -ENXIO);
if (snd_BUG_ON(!substream))
return -ENXIO;
pcm = substream->pcm;
fasync_helper(-1, file, 0, &substream->runtime->fasync);
mutex_lock(&pcm->open_mutex);
@ -2493,8 +2498,6 @@ static int snd_pcm_common_ioctl1(struct file *file,
struct snd_pcm_substream *substream,
unsigned int cmd, void __user *arg)
{
snd_assert(substream != NULL, return -ENXIO);
switch (cmd) {
case SNDRV_PCM_IOCTL_PVERSION:
return put_user(SNDRV_PCM_VERSION, (int __user *)arg) ? -EFAULT : 0;
@ -2563,8 +2566,10 @@ static int snd_pcm_playback_ioctl1(struct file *file,
struct snd_pcm_substream *substream,
unsigned int cmd, void __user *arg)
{
snd_assert(substream != NULL, return -ENXIO);
snd_assert(substream->stream == SNDRV_PCM_STREAM_PLAYBACK, return -EINVAL);
if (snd_BUG_ON(!substream))
return -ENXIO;
if (snd_BUG_ON(substream->stream != SNDRV_PCM_STREAM_PLAYBACK))
return -EINVAL;
switch (cmd) {
case SNDRV_PCM_IOCTL_WRITEI_FRAMES:
{
@ -2643,8 +2648,10 @@ static int snd_pcm_capture_ioctl1(struct file *file,
struct snd_pcm_substream *substream,
unsigned int cmd, void __user *arg)
{
snd_assert(substream != NULL, return -ENXIO);
snd_assert(substream->stream == SNDRV_PCM_STREAM_CAPTURE, return -EINVAL);
if (snd_BUG_ON(!substream))
return -ENXIO;
if (snd_BUG_ON(substream->stream != SNDRV_PCM_STREAM_CAPTURE))
return -EINVAL;
switch (cmd) {
case SNDRV_PCM_IOCTL_READI_FRAMES:
{
@ -2783,7 +2790,8 @@ static ssize_t snd_pcm_read(struct file *file, char __user *buf, size_t count,
pcm_file = file->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
@ -2806,21 +2814,17 @@ static ssize_t snd_pcm_write(struct file *file, const char __user *buf,
pcm_file = file->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, result = -ENXIO; goto end);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN) {
result = -EBADFD;
goto end;
}
if (!frame_aligned(runtime, count)) {
result = -EINVAL;
goto end;
}
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (!frame_aligned(runtime, count))
return -EINVAL;
count = bytes_to_frames(runtime, count);
result = snd_pcm_lib_write(substream, buf, count);
if (result > 0)
result = frames_to_bytes(runtime, result);
end:
return result;
}
@ -2838,7 +2842,8 @@ static ssize_t snd_pcm_aio_read(struct kiocb *iocb, const struct iovec *iov,
pcm_file = iocb->ki_filp->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
@ -2872,17 +2877,14 @@ static ssize_t snd_pcm_aio_write(struct kiocb *iocb, const struct iovec *iov,
pcm_file = iocb->ki_filp->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, result = -ENXIO; goto end);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN) {
result = -EBADFD;
goto end;
}
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (nr_segs > 128 || nr_segs != runtime->channels ||
!frame_aligned(runtime, iov->iov_len)) {
result = -EINVAL;
goto end;
}
!frame_aligned(runtime, iov->iov_len))
return -EINVAL;
frames = bytes_to_samples(runtime, iov->iov_len);
bufs = kmalloc(sizeof(void *) * nr_segs, GFP_KERNEL);
if (bufs == NULL)
@ -2893,7 +2895,6 @@ static ssize_t snd_pcm_aio_write(struct kiocb *iocb, const struct iovec *iov,
if (result > 0)
result = frames_to_bytes(runtime, result);
kfree(bufs);
end:
return result;
}
@ -2908,7 +2909,8 @@ static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait)
pcm_file = file->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
poll_wait(file, &runtime->sleep, wait);
@ -2946,7 +2948,8 @@ static unsigned int snd_pcm_capture_poll(struct file *file, poll_table * wait)
pcm_file = file->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
poll_wait(file, &runtime->sleep, wait);
@ -3016,7 +3019,6 @@ static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file
if (!(area->vm_flags & VM_READ))
return -EINVAL;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -EAGAIN);
size = area->vm_end - area->vm_start;
if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_status)))
return -EINVAL;
@ -3056,7 +3058,6 @@ static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file
if (!(area->vm_flags & VM_READ))
return -EINVAL;
runtime = substream->runtime;
snd_assert(runtime != NULL, return -EAGAIN);
size = area->vm_end - area->vm_start;
if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)))
return -EINVAL;
@ -3188,7 +3189,6 @@ int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file,
return -EINVAL;
}
runtime = substream->runtime;
snd_assert(runtime != NULL, return -EAGAIN);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (!(runtime->info & SNDRV_PCM_INFO_MMAP))
@ -3220,7 +3220,8 @@ static int snd_pcm_mmap(struct file *file, struct vm_area_struct *area)
pcm_file = file->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, return -ENXIO);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
offset = area->vm_pgoff << PAGE_SHIFT;
switch (offset) {
@ -3248,9 +3249,9 @@ static int snd_pcm_fasync(int fd, struct file * file, int on)
lock_kernel();
pcm_file = file->private_data;
substream = pcm_file->substream;
snd_assert(substream != NULL, goto out);
if (PCM_RUNTIME_CHECK(substream))
goto out;
runtime = substream->runtime;
err = fasync_helper(fd, file, on, &runtime->fasync);
out:
unlock_kernel();

6
sound/core/pcm_timer.c
View File

@ -51,12 +51,14 @@ void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream)
mult = 1000000000;
rate = runtime->rate;
snd_assert(rate != 0, return);
if (snd_BUG_ON(!rate))
return;
l = gcd(mult, rate);
mult /= l;
rate /= l;
fsize = runtime->period_size;
snd_assert(fsize != 0, return);
if (snd_BUG_ON(!fsize))
return;
l = gcd(rate, fsize);
rate /= l;
fsize /= l;

25
sound/core/rawmidi.c
View File

@ -470,8 +470,8 @@ int snd_rawmidi_kernel_release(struct snd_rawmidi_file * rfile)
struct snd_rawmidi_substream *substream;
struct snd_rawmidi_runtime *runtime;
snd_assert(rfile != NULL, return -ENXIO);
snd_assert(rfile->input != NULL || rfile->output != NULL, return -ENXIO);
if (snd_BUG_ON(!rfile))
return -ENXIO;
rmidi = rfile->rmidi;
mutex_lock(&rmidi->open_mutex);
if (rfile->input != NULL) {
@ -1100,7 +1100,7 @@ int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count)
return -EINVAL;
}
spin_lock_irqsave(&runtime->lock, flags);
snd_assert(runtime->avail + count <= runtime->buffer_size, );
snd_BUG_ON(runtime->avail + count > runtime->buffer_size);
runtime->hw_ptr += count;
runtime->hw_ptr %= runtime->buffer_size;
runtime->avail += count;
@ -1141,8 +1141,10 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream,
long count1, result;
struct snd_rawmidi_runtime *runtime = substream->runtime;
snd_assert(kernelbuf != NULL || userbuf != NULL, return -EINVAL);
snd_assert(runtime->buffer != NULL, return -EINVAL);
if (snd_BUG_ON(!kernelbuf && !userbuf))
return -EINVAL;
if (snd_BUG_ON(!runtime->buffer))
return -EINVAL;
result = 0;
spin_lock_irqsave(&runtime->lock, flags);
@ -1420,9 +1422,10 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device,
.dev_disconnect = snd_rawmidi_dev_disconnect,
};
snd_assert(rrawmidi != NULL, return -EINVAL);
*rrawmidi = NULL;
snd_assert(card != NULL, return -ENXIO);
if (snd_BUG_ON(!card))
return -ENXIO;
if (rrawmidi)
*rrawmidi = NULL;
rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL);
if (rmidi == NULL) {
snd_printk(KERN_ERR "rawmidi: cannot allocate\n");
@ -1455,7 +1458,8 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device,
snd_rawmidi_free(rmidi);
return err;
}
*rrawmidi = rmidi;
if (rrawmidi)
*rrawmidi = rmidi;
return 0;
}
@ -1472,7 +1476,8 @@ static void snd_rawmidi_free_substreams(struct snd_rawmidi_str *stream)
static int snd_rawmidi_free(struct snd_rawmidi *rmidi)
{
snd_assert(rmidi != NULL, return -ENXIO);
if (!rmidi)
return 0;
snd_info_free_entry(rmidi->proc_entry);
rmidi->proc_entry = NULL;

6
sound/core/rtctimer.c
View File

@ -91,7 +91,8 @@ static int
rtctimer_start(struct snd_timer *timer)
{
rtc_task_t *rtc = timer->private_data;
snd_assert(rtc != NULL, return -EINVAL);
if (snd_BUG_ON(!rtc))
return -EINVAL;
rtc_control(rtc, RTC_IRQP_SET, rtctimer_freq);
rtc_control(rtc, RTC_PIE_ON, 0);
return 0;
@ -101,7 +102,8 @@ static int
rtctimer_stop(struct snd_timer *timer)
{
rtc_task_t *rtc = timer->private_data;
snd_assert(rtc != NULL, return -EINVAL);
if (snd_BUG_ON(!rtc))
return -EINVAL;
rtc_control(rtc, RTC_PIE_OFF, 0);
return 0;
}

12
sound/core/seq/oss/seq_oss.c
View File

@ -164,7 +164,8 @@ odev_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
{
struct seq_oss_devinfo *dp;
dp = file->private_data;
snd_assert(dp != NULL, return -EIO);
if (snd_BUG_ON(!dp))
return -ENXIO;
return snd_seq_oss_read(dp, buf, count);
}
@ -174,7 +175,8 @@ odev_write(struct file *file, const char __user *buf, size_t count, loff_t *offs
{
struct seq_oss_devinfo *dp;
dp = file->private_data;
snd_assert(dp != NULL, return -EIO);
if (snd_BUG_ON(!dp))
return -ENXIO;
return snd_seq_oss_write(dp, buf, count, file);
}
@ -183,7 +185,8 @@ odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct seq_oss_devinfo *dp;
dp = file->private_data;
snd_assert(dp != NULL, return -EIO);
if (snd_BUG_ON(!dp))
return -ENXIO;
return snd_seq_oss_ioctl(dp, cmd, arg);
}
@ -198,7 +201,8 @@ odev_poll(struct file *file, poll_table * wait)
{
struct seq_oss_devinfo *dp;
dp = file->private_data;
snd_assert(dp != NULL, return 0);
if (snd_BUG_ON(!dp))
return -ENXIO;
return snd_seq_oss_poll(dp, file, wait);
}

6
sound/core/seq/oss/seq_oss_synth.c
View File

@ -308,7 +308,8 @@ snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp)
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info;
snd_assert(dp->max_synthdev <= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS, return);
if (snd_BUG_ON(dp->max_synthdev >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS))
return;
for (i = 0; i < dp->max_synthdev; i++) {
info = &dp->synths[i];
if (! info->opened)
@ -402,7 +403,8 @@ snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev)
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info;
snd_assert(dev >= 0 && dev < dp->max_synthdev, return);
if (snd_BUG_ON(dev < 0 || dev >= dp->max_synthdev))
return;
info = &dp->synths[dev];
if (! info->opened)
return;

30
sound/core/seq/seq_clientmgr.c
View File

@ -266,7 +266,8 @@ static int seq_free_client1(struct snd_seq_client *client)
{
unsigned long flags;
snd_assert(client != NULL, return -EINVAL);
if (!client)
return 0;
snd_seq_delete_all_ports(client);
snd_seq_queue_client_leave(client->number);
spin_lock_irqsave(&clients_lock, flags);
@ -403,7 +404,8 @@ static ssize_t snd_seq_read(struct file *file, char __user *buf, size_t count,
return -EFAULT;
/* check client structures are in place */
snd_assert(client != NULL, return -ENXIO);
if (snd_BUG_ON(!client))
return -ENXIO;
if (!client->accept_input || (fifo = client->data.user.fifo) == NULL)
return -ENXIO;
@ -825,7 +827,8 @@ int snd_seq_dispatch_event(struct snd_seq_event_cell *cell, int atomic, int hop)
struct snd_seq_client *client;
int result;
snd_assert(cell != NULL, return -EINVAL);
if (snd_BUG_ON(!cell))
return -EINVAL;
client = snd_seq_client_use_ptr(cell->event.source.client);
if (client == NULL) {
@ -994,7 +997,8 @@ static ssize_t snd_seq_write(struct file *file, const char __user *buf,
return -ENXIO;
/* check client structures are in place */
snd_assert(client != NULL, return -ENXIO);
if (snd_BUG_ON(!client))
return -ENXIO;
if (!client->accept_output || client->pool == NULL)
return -ENXIO;
@ -1076,7 +1080,8 @@ static unsigned int snd_seq_poll(struct file *file, poll_table * wait)
unsigned int mask = 0;
/* check client structures are in place */
snd_assert(client != NULL, return -ENXIO);
if (snd_BUG_ON(!client))
return -ENXIO;
if ((snd_seq_file_flags(file) & SNDRV_SEQ_LFLG_INPUT) &&
client->data.user.fifo) {
@ -2195,7 +2200,8 @@ static long snd_seq_ioctl(struct file *file, unsigned int cmd, unsigned long arg
{
struct snd_seq_client *client = file->private_data;
snd_assert(client != NULL, return -ENXIO);
if (snd_BUG_ON(!client))
return -ENXIO;
return snd_seq_do_ioctl(client, cmd, (void __user *) arg);
}
@ -2216,7 +2222,8 @@ int snd_seq_create_kernel_client(struct snd_card *card, int client_index,
struct snd_seq_client *client;
va_list args;
snd_assert(! in_interrupt(), return -EBUSY);
if (snd_BUG_ON(in_interrupt()))
return -EBUSY;
if (card && client_index >= SNDRV_SEQ_CLIENTS_PER_CARD)
return -EINVAL;
@ -2265,7 +2272,8 @@ int snd_seq_delete_kernel_client(int client)
{
struct snd_seq_client *ptr;
snd_assert(! in_interrupt(), return -EBUSY);
if (snd_BUG_ON(in_interrupt()))
return -EBUSY;
ptr = clientptr(client);
if (ptr == NULL)
@ -2288,7 +2296,8 @@ static int kernel_client_enqueue(int client, struct snd_seq_event *ev,
struct snd_seq_client *cptr;
int result;
snd_assert(ev != NULL, return -EINVAL);
if (snd_BUG_ON(!ev))
return -EINVAL;
if (ev->type == SNDRV_SEQ_EVENT_NONE)
return 0; /* ignore this */
@ -2354,7 +2363,8 @@ int snd_seq_kernel_client_dispatch(int client, struct snd_seq_event * ev,
struct snd_seq_client *cptr;
int result;
snd_assert(ev != NULL, return -EINVAL);
if (snd_BUG_ON(!ev))
return -EINVAL;
/* fill in client number */
ev->queue = SNDRV_SEQ_QUEUE_DIRECT;

3
sound/core/seq/seq_compat.c
View File

@ -92,7 +92,8 @@ static long snd_seq_ioctl_compat(struct file *file, unsigned int cmd, unsigned l
struct snd_seq_client *client = file->private_data;
void __user *argp = compat_ptr(arg);
snd_assert(client != NULL, return -ENXIO);
if (snd_BUG_ON(!client))
return -ENXIO;
switch (cmd) {
case SNDRV_SEQ_IOCTL_PVERSION:

6
sound/core/seq/seq_device.c
View File

@ -187,7 +187,8 @@ int snd_seq_device_new(struct snd_card *card, int device, char *id, int argsize,
if (result)
*result = NULL;
snd_assert(id != NULL, return -EINVAL);
if (snd_BUG_ON(!id))
return -EINVAL;
ops = find_driver(id, 1);
if (ops == NULL)
@ -232,7 +233,8 @@ static int snd_seq_device_free(struct snd_seq_device *dev)
{
struct ops_list *ops;
snd_assert(dev != NULL, return -EINVAL);
if (snd_BUG_ON(!dev))
return -EINVAL;
ops = find_driver(dev->id, 0);
if (ops == NULL)

15
sound/core/seq/seq_fifo.c
View File

@ -65,9 +65,11 @@ void snd_seq_fifo_delete(struct snd_seq_fifo **fifo)
{
struct snd_seq_fifo *f;
snd_assert(fifo != NULL, return);
if (snd_BUG_ON(!fifo))
return;
f = *fifo;
snd_assert(f != NULL, return);
if (snd_BUG_ON(!f))
return;
*fifo = NULL;
snd_seq_fifo_clear(f);
@ -116,7 +118,8 @@ int snd_seq_fifo_event_in(struct snd_seq_fifo *f,
unsigned long flags;
int err;
snd_assert(f != NULL, return -EINVAL);
if (snd_BUG_ON(!f))
return -EINVAL;
snd_use_lock_use(&f->use_lock);
err = snd_seq_event_dup(f->pool, event, &cell, 1, NULL); /* always non-blocking */
@ -174,7 +177,8 @@ int snd_seq_fifo_cell_out(struct snd_seq_fifo *f,
unsigned long flags;
wait_queue_t wait;
snd_assert(f != NULL, return -EINVAL);
if (snd_BUG_ON(!f))
return -EINVAL;
*cellp = NULL;
init_waitqueue_entry(&wait, current);
@ -233,7 +237,8 @@ int snd_seq_fifo_resize(struct snd_seq_fifo *f, int poolsize)
struct snd_seq_pool *newpool, *oldpool;
struct snd_seq_event_cell *cell, *next, *oldhead;
snd_assert(f != NULL && f->pool != NULL, return -EINVAL);
if (snd_BUG_ON(!f || !f->pool))
return -EINVAL;
/* allocate new pool */
newpool = snd_seq_pool_new(poolsize);

12
sound/core/seq/seq_memory.c
View File

@ -187,9 +187,11 @@ void snd_seq_cell_free(struct snd_seq_event_cell * cell)
unsigned long flags;
struct snd_seq_pool *pool;
snd_assert(cell != NULL, return);
if (snd_BUG_ON(!cell))
return;
pool = cell->pool;
snd_assert(pool != NULL, return);
if (snd_BUG_ON(!pool))
return;
spin_lock_irqsave(&pool->lock, flags);
free_cell(pool, cell);
@ -378,7 +380,8 @@ int snd_seq_pool_init(struct snd_seq_pool *pool)
struct snd_seq_event_cell *cellptr;
unsigned long flags;
snd_assert(pool != NULL, return -EINVAL);
if (snd_BUG_ON(!pool))
return -EINVAL;
if (pool->ptr) /* should be atomic? */
return 0;
@ -414,7 +417,8 @@ int snd_seq_pool_done(struct snd_seq_pool *pool)
struct snd_seq_event_cell *ptr;
int max_count = 5 * HZ;
snd_assert(pool != NULL, return -EINVAL);
if (snd_BUG_ON(!pool))
return -EINVAL;
/* wait for closing all threads */
spin_lock_irqsave(&pool->lock, flags);

15
sound/core/seq/seq_midi.c
View File

@ -116,7 +116,8 @@ static int dump_midi(struct snd_rawmidi_substream *substream, const char *buf, i
struct snd_rawmidi_runtime *runtime;
int tmp;
snd_assert(substream != NULL || buf != NULL, return -EINVAL);
if (snd_BUG_ON(!substream || !buf))
return -EINVAL;
runtime = substream->runtime;
if ((tmp = runtime->avail) < count) {
snd_printd("warning, output event was lost (count = %i, available = %i)\n", count, tmp);
@ -135,7 +136,8 @@ static int event_process_midi(struct snd_seq_event *ev, int direct,
struct snd_rawmidi_substream *substream;
int len;
snd_assert(msynth != NULL, return -EINVAL);
if (snd_BUG_ON(!msynth))
return -EINVAL;
substream = msynth->output_rfile.output;
if (substream == NULL)
return -ENODEV;
@ -210,7 +212,8 @@ static int midisynth_unsubscribe(void *private_data, struct snd_seq_port_subscri
int err;
struct seq_midisynth *msynth = private_data;
snd_assert(msynth->input_rfile.input != NULL, return -EINVAL);
if (snd_BUG_ON(!msynth->input_rfile.input))
return -EINVAL;
err = snd_rawmidi_kernel_release(&msynth->input_rfile);
return err;
}
@ -247,7 +250,8 @@ static int midisynth_unuse(void *private_data, struct snd_seq_port_subscribe *in
struct seq_midisynth *msynth = private_data;
unsigned char buf = 0xff; /* MIDI reset */
snd_assert(msynth->output_rfile.output != NULL, return -EINVAL);
if (snd_BUG_ON(!msynth->output_rfile.output))
return -EINVAL;
/* sending single MIDI reset message to shut the device up */
snd_rawmidi_kernel_write(msynth->output_rfile.output, &buf, 1);
snd_rawmidi_drain_output(msynth->output_rfile.output);
@ -285,7 +289,8 @@ snd_seq_midisynth_register_port(struct snd_seq_device *dev)
int device = dev->device;
unsigned int input_count = 0, output_count = 0;
snd_assert(card != NULL && device >= 0 && device < SNDRV_RAWMIDI_DEVICES, return -EINVAL);
if (snd_BUG_ON(!card || device < 0 || device >= SNDRV_RAWMIDI_DEVICES))
return -EINVAL;
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (! info)
return -ENOMEM;

13
sound/core/seq/seq_ports.c
View File

@ -130,7 +130,8 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
int num = -1;
/* sanity check */
snd_assert(client, return NULL);
if (snd_BUG_ON(!client))
return NULL;
if (client->num_ports >= SNDRV_SEQ_MAX_PORTS - 1) {
snd_printk(KERN_WARNING "too many ports for client %d\n", client->number);
@ -268,8 +269,8 @@ static int port_delete(struct snd_seq_client *client,
if (port->private_free)
port->private_free(port->private_data);
snd_assert(port->c_src.count == 0,);
snd_assert(port->c_dest.count == 0,);
snd_BUG_ON(port->c_src.count != 0);
snd_BUG_ON(port->c_dest.count != 0);
kfree(port);
return 0;
@ -336,7 +337,8 @@ int snd_seq_delete_all_ports(struct snd_seq_client *client)
int snd_seq_set_port_info(struct snd_seq_client_port * port,
struct snd_seq_port_info * info)
{
snd_assert(port && info, return -EINVAL);
if (snd_BUG_ON(!port || !info))
return -EINVAL;
/* set port name */
if (info->name[0])
@ -365,7 +367,8 @@ int snd_seq_set_port_info(struct snd_seq_client_port * port,
int snd_seq_get_port_info(struct snd_seq_client_port * port,
struct snd_seq_port_info * info)
{
snd_assert(port && info, return -EINVAL);
if (snd_BUG_ON(!port || !info))
return -EINVAL;
/* get port name */
strlcpy(info->name, port->name, sizeof(info->name));

4
sound/core/seq/seq_prioq.c
View File

@ -153,8 +153,8 @@ int snd_seq_prioq_cell_in(struct snd_seq_prioq * f,
int count;
int prior;
snd_assert(f, return -EINVAL);
snd_assert(cell, return -EINVAL);
if (snd_BUG_ON(!f || !cell))
return -EINVAL;
/* check flags */
prior = (cell->event.flags & SNDRV_SEQ_PRIORITY_MASK);

6
sound/core/seq/seq_queue.c
View File

@ -315,7 +315,8 @@ int snd_seq_enqueue_event(struct snd_seq_event_cell *cell, int atomic, int hop)
int dest, err;
struct snd_seq_queue *q;
snd_assert(cell != NULL, return -EINVAL);
if (snd_BUG_ON(!cell))
return -EINVAL;
dest = cell->event.queue; /* destination queue */
q = queueptr(dest);
if (q == NULL)
@ -734,7 +735,8 @@ int snd_seq_control_queue(struct snd_seq_event *ev, int atomic, int hop)
{
struct snd_seq_queue *q;
snd_assert(ev != NULL, return -EINVAL);
if (snd_BUG_ON(!ev))
return -EINVAL;
q = queueptr(ev->data.queue.queue);
if (q == NULL)

24
sound/core/seq/seq_timer.c
View File

@ -173,7 +173,8 @@ int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo)
{
unsigned long flags;
snd_assert(tmr, return -EINVAL);
if (snd_BUG_ON(!tmr))
return -EINVAL;
if (tempo <= 0)
return -EINVAL;
spin_lock_irqsave(&tmr->lock, flags);
@ -190,7 +191,8 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq)
{
unsigned long flags;
snd_assert(tmr, return -EINVAL);
if (snd_BUG_ON(!tmr))
return -EINVAL;
if (ppq <= 0)
return -EINVAL;
spin_lock_irqsave(&tmr->lock, flags);
@ -214,7 +216,8 @@ int snd_seq_timer_set_position_tick(struct snd_seq_timer *tmr,
{
unsigned long flags;
snd_assert(tmr, return -EINVAL);
if (snd_BUG_ON(!tmr))
return -EINVAL;
spin_lock_irqsave(&tmr->lock, flags);
tmr->tick.cur_tick = position;
@ -229,7 +232,8 @@ int snd_seq_timer_set_position_time(struct snd_seq_timer *tmr,
{
unsigned long flags;
snd_assert(tmr, return -EINVAL);
if (snd_BUG_ON(!tmr))
return -EINVAL;
snd_seq_sanity_real_time(&position);
spin_lock_irqsave(&tmr->lock, flags);
@ -244,7 +248,8 @@ int snd_seq_timer_set_skew(struct snd_seq_timer *tmr, unsigned int skew,
{
unsigned long flags;
snd_assert(tmr, return -EINVAL);
if (snd_BUG_ON(!tmr))
return -EINVAL;
/* FIXME */
if (base != SKEW_BASE) {
@ -265,7 +270,8 @@ int snd_seq_timer_open(struct snd_seq_queue *q)
int err;
tmr = q->timer;
snd_assert(tmr != NULL, return -EINVAL);
if (snd_BUG_ON(!tmr))
return -EINVAL;
if (tmr->timeri)
return -EBUSY;
sprintf(str, "sequencer queue %i", q->queue);
@ -302,7 +308,8 @@ int snd_seq_timer_close(struct snd_seq_queue *q)
struct snd_seq_timer *tmr;
tmr = q->timer;
snd_assert(tmr != NULL, return -EINVAL);
if (snd_BUG_ON(!tmr))
return -EINVAL;
if (tmr->timeri) {
snd_timer_stop(tmr->timeri);
snd_timer_close(tmr->timeri);
@ -328,7 +335,8 @@ static int initialize_timer(struct snd_seq_timer *tmr)
unsigned long freq;
t = tmr->timeri->timer;
snd_assert(t, return -EINVAL);
if (snd_BUG_ON(!t))
return -EINVAL;
freq = tmr->preferred_resolution;
if (!freq)

12
sound/core/sound.c
View File

@ -206,20 +206,23 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev)
minor = type;
break;
case SNDRV_DEVICE_TYPE_CONTROL:
snd_assert(card != NULL, return -EINVAL);
if (snd_BUG_ON(!card))
return -EINVAL;
minor = SNDRV_MINOR(card->number, type);
break;
case SNDRV_DEVICE_TYPE_HWDEP:
case SNDRV_DEVICE_TYPE_RAWMIDI:
case SNDRV_DEVICE_TYPE_PCM_PLAYBACK:
case SNDRV_DEVICE_TYPE_PCM_CAPTURE:
snd_assert(card != NULL, return -EINVAL);
if (snd_BUG_ON(!card))
return -EINVAL;
minor = SNDRV_MINOR(card->number, type + dev);
break;
default:
return -EINVAL;
}
snd_assert(minor >= 0 && minor < SNDRV_OS_MINORS, return -EINVAL);
if (snd_BUG_ON(minor < 0 || minor >= SNDRV_OS_MINORS))
return -EINVAL;
return minor;
}
#endif
@ -247,7 +250,8 @@ int snd_register_device_for_dev(int type, struct snd_card *card, int dev,
int minor;
struct snd_minor *preg;
snd_assert(name, return -EINVAL);
if (snd_BUG_ON(!name))
return -EINVAL;
preg = kmalloc(sizeof *preg, GFP_KERNEL);
if (preg == NULL)
return -ENOMEM;

12
sound/core/sound_oss.c
View File

@ -64,7 +64,8 @@ static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev)
switch (type) {
case SNDRV_OSS_DEVICE_TYPE_MIXER:
snd_assert(card != NULL && dev <= 1, return -EINVAL);
if (snd_BUG_ON(!card || dev < 0 || dev > 1))
return -EINVAL;
minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_MIXER1 : SNDRV_MINOR_OSS_MIXER));
break;
case SNDRV_OSS_DEVICE_TYPE_SEQUENCER:
@ -74,11 +75,13 @@ static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev)
minor = SNDRV_MINOR_OSS_MUSIC;
break;
case SNDRV_OSS_DEVICE_TYPE_PCM:
snd_assert(card != NULL && dev <= 1, return -EINVAL);
if (snd_BUG_ON(!card || dev < 0 || dev > 1))
return -EINVAL;
minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_PCM1 : SNDRV_MINOR_OSS_PCM));
break;
case SNDRV_OSS_DEVICE_TYPE_MIDI:
snd_assert(card != NULL && dev <= 1, return -EINVAL);
if (snd_BUG_ON(!card || dev < 0 || dev > 1))
return -EINVAL;
minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_MIDI1 : SNDRV_MINOR_OSS_MIDI));
break;
case SNDRV_OSS_DEVICE_TYPE_DMFM:
@ -90,7 +93,8 @@ static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev)
default:
return -EINVAL;
}
snd_assert(minor >= 0 && minor < SNDRV_OSS_MINORS, return -EINVAL);
if (snd_BUG_ON(minor < 0 || minor >= SNDRV_OSS_MINORS))
return -EINVAL;
return minor;
}

33
sound/core/timer.c
View File

@ -306,7 +306,8 @@ int snd_timer_close(struct snd_timer_instance *timeri)
struct snd_timer *timer = NULL;
struct snd_timer_instance *slave, *tmp;
snd_assert(timeri != NULL, return -ENXIO);
if (snd_BUG_ON(!timer))
return -ENXIO;
/* force to stop the timer */
snd_timer_stop(timeri);
@ -385,8 +386,9 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
do_posix_clock_monotonic_gettime(&tstamp);
else
getnstimeofday(&tstamp);
snd_assert(event >= SNDRV_TIMER_EVENT_START &&
event <= SNDRV_TIMER_EVENT_PAUSE, return);
if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_START ||
event > SNDRV_TIMER_EVENT_PAUSE))
return;
if (event == SNDRV_TIMER_EVENT_START ||
event == SNDRV_TIMER_EVENT_CONTINUE)
resolution = snd_timer_resolution(ti);
@ -474,7 +476,8 @@ static int _snd_timer_stop(struct snd_timer_instance * timeri,
struct snd_timer *timer;
unsigned long flags;
snd_assert(timeri != NULL, return -ENXIO);
if (snd_BUG_ON(!timeri))
return -ENXIO;
if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {
if (!keep_flag) {
@ -758,9 +761,10 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid,
.dev_disconnect = snd_timer_dev_disconnect,
};
snd_assert(tid != NULL, return -EINVAL);
snd_assert(rtimer != NULL, return -EINVAL);
*rtimer = NULL;
if (snd_BUG_ON(!tid))
return -EINVAL;
if (rtimer)
*rtimer = NULL;
timer = kzalloc(sizeof(*timer), GFP_KERNEL);
if (timer == NULL) {
snd_printk(KERN_ERR "timer: cannot allocate\n");
@ -788,13 +792,15 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid,
return err;
}
}
*rtimer = timer;
if (rtimer)
*rtimer = timer;
return 0;
}
static int snd_timer_free(struct snd_timer *timer)
{
snd_assert(timer != NULL, return -ENXIO);
if (!timer)
return 0;
mutex_lock(&register_mutex);
if (! list_empty(&timer->open_list_head)) {
@ -827,8 +833,8 @@ static int snd_timer_dev_register(struct snd_device *dev)
struct snd_timer *timer = dev->device_data;
struct snd_timer *timer1;
snd_assert(timer != NULL && timer->hw.start != NULL &&
timer->hw.stop != NULL, return -ENXIO);
if (snd_BUG_ON(!timer || !timer->hw.start || !timer->hw.stop))
return -ENXIO;
if (!(timer->hw.flags & SNDRV_TIMER_HW_SLAVE) &&
!timer->hw.resolution && timer->hw.c_resolution == NULL)
return -EINVAL;
@ -879,8 +885,9 @@ void snd_timer_notify(struct snd_timer *timer, int event, struct timespec *tstam
if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE))
return;
snd_assert(event >= SNDRV_TIMER_EVENT_MSTART &&
event <= SNDRV_TIMER_EVENT_MRESUME, return);
if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_MSTART ||
event > SNDRV_TIMER_EVENT_MRESUME))
return;
spin_lock_irqsave(&timer->lock, flags);
if (event == SNDRV_TIMER_EVENT_MSTART ||
event == SNDRV_TIMER_EVENT_MCONTINUE ||

9
sound/core/timer_compat.c
View File

@ -40,9 +40,11 @@ static int snd_timer_user_info_compat(struct file *file,
struct snd_timer *t;
tu = file->private_data;
snd_assert(tu->timeri != NULL, return -ENXIO);
if (snd_BUG_ON(!tu->timeri))
return -ENXIO;
t = tu->timeri->timer;
snd_assert(t != NULL, return -ENXIO);
if (snd_BUG_ON(!t))
return -ENXIO;
memset(&info, 0, sizeof(info));
info.card = t->card ? t->card->number : -1;
if (t->hw.flags & SNDRV_TIMER_HW_SLAVE)
@ -71,7 +73,8 @@ static int snd_timer_user_status_compat(struct file *file,
struct snd_timer_status status;
tu = file->private_data;
snd_assert(tu->timeri != NULL, return -ENXIO);
if (snd_BUG_ON(!tu->timeri))
return -ENXIO;
memset(&status, 0, sizeof(status));
status.tstamp = tu->tstamp;
status.resolution = snd_timer_resolution(tu->timeri);