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[PARISC] more sparse fixes

Browse source 
0/NULL changes, __user annotations, __iomem annotations

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Matthew Wilcox 2006-11-05 15:24:48 -07:00 committed by Kyle McMartin
parent c2c4798e04
commit e51ec24178
4 changed files with 34 additions and 32 deletions
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26
arch/parisc/hpux/fs.c
View file

@ -35,13 +35,13 @@ int hpux_execve(struct pt_regs *regs)
int error;
char *filename;
filename = getname((char *) regs->gr[26]);
filename = getname((char __user *) regs->gr[26]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
error = do_execve(filename, (char **) regs->gr[25],
(char **)regs->gr[24], regs);
error = do_execve(filename, (char __user * __user *) regs->gr[25],
(char __user * __user *) regs->gr[24], regs);
if (error == 0) {
task_lock(current);
@ -63,19 +63,19 @@ struct hpux_dirent {
};
struct getdents_callback {
struct hpux_dirent *current_dir;
struct hpux_dirent *previous;
struct hpux_dirent __user *current_dir;
struct hpux_dirent __user *previous;
int count;
int error;
};
#define NAME_OFFSET(de) ((int) ((de)->d_name - (char *) (de)))
#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
#define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1))
static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
u64 ino, unsigned d_type)
{
struct hpux_dirent * dirent;
struct hpux_dirent __user * dirent;
struct getdents_callback * buf = (struct getdents_callback *) __buf;
ino_t d_ino;
int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
@ -105,10 +105,10 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
#undef NAME_OFFSET
#undef ROUND_UP
int hpux_getdents(unsigned int fd, struct hpux_dirent *dirent, unsigned int count)
int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned int count)
{
struct file * file;
struct hpux_dirent * lastdirent;
struct hpux_dirent __user * lastdirent;
struct getdents_callback buf;
int error = -EBADF;
@ -143,7 +143,7 @@ int hpux_mount(const char *fs, const char *path, int mflag,
return -ENOSYS;
}
static int cp_hpux_stat(struct kstat *stat, struct hpux_stat64 *statbuf)
static int cp_hpux_stat(struct kstat *stat, struct hpux_stat64 __user *statbuf)
{
struct hpux_stat64 tmp;
@ -169,7 +169,7 @@ static int cp_hpux_stat(struct kstat *stat, struct hpux_stat64 *statbuf)
return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0;
}
long hpux_stat64(char *filename, struct hpux_stat64 *statbuf)
long hpux_stat64(char __user *filename, struct hpux_stat64 __user *statbuf)
{
struct kstat stat;
int error = vfs_stat(filename, &stat);
@ -180,7 +180,7 @@ long hpux_stat64(char *filename, struct hpux_stat64 *statbuf)
return error;
}
long hpux_fstat64(unsigned int fd, struct hpux_stat64 *statbuf)
long hpux_fstat64(unsigned int fd, struct hpux_stat64 __user *statbuf)
{
struct kstat stat;
int error = vfs_fstat(fd, &stat);
@ -191,7 +191,7 @@ long hpux_fstat64(unsigned int fd, struct hpux_stat64 *statbuf)
return error;
}
long hpux_lstat64(char *filename, struct hpux_stat64 *statbuf)
long hpux_lstat64(char __user *filename, struct hpux_stat64 __user *statbuf)
{
struct kstat stat;
int error = vfs_lstat(filename, &stat);

32
arch/parisc/hpux/sys_hpux.c
View file

@ -61,7 +61,7 @@ int hpux_ptrace(void)
return -ENOSYS;
}
int hpux_wait(int *stat_loc)
int hpux_wait(int __user *stat_loc)
{
return sys_waitpid(-1, stat_loc, 0);
}
@ -255,7 +255,7 @@ asmlinkage long hpux_fstatfs(unsigned int fd, struct hpux_statfs __user * buf)
/* TODO: Are these put_user calls OK? Should they pass an int?
* (I copied it from sys_i386.c like this.)
*/
static int hpux_uname(struct hpux_utsname *name)
static int hpux_uname(struct hpux_utsname __user *name)
{
int error;
@ -300,14 +300,14 @@ static int hpux_uname(struct hpux_utsname *name)
/* Note: HP-UX just uses the old suser() function to check perms
* in this system call. We'll use capable(CAP_SYS_ADMIN).
*/
int hpux_utssys(char *ubuf, int n, int type)
int hpux_utssys(char __user *ubuf, int n, int type)
{
int len;
int error;
switch( type ) {
case 0:
/* uname(): */
return( hpux_uname( (struct hpux_utsname *)ubuf ) );
return hpux_uname((struct hpux_utsname __user *)ubuf);
break ;
case 1:
/* Obsolete (used to be umask().) */
@ -315,8 +315,9 @@ int hpux_utssys(char *ubuf, int n, int type)
break ;
case 2:
/* ustat(): */
return( hpux_ustat(new_decode_dev(n), (struct hpux_ustat *)ubuf) );
break ;
return hpux_ustat(new_decode_dev(n),
(struct hpux_ustat __user *)ubuf);
break;
case 3:
/* setuname():
*
@ -332,7 +333,7 @@ int hpux_utssys(char *ubuf, int n, int type)
return -EINVAL ;
/* Unlike Linux, HP-UX truncates it if n is too big: */
len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ;
return( sys_sethostname(ubuf, len) );
return sys_sethostname(ubuf, len);
break ;
case 4:
/* sethostname():
@ -346,7 +347,7 @@ int hpux_utssys(char *ubuf, int n, int type)
return -EINVAL ;
/* Unlike Linux, HP-UX truncates it if n is too big: */
len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ;
return( sys_sethostname(ubuf, len) );
return sys_sethostname(ubuf, len);
break ;
case 5:
/* gethostname():
@ -356,7 +357,7 @@ int hpux_utssys(char *ubuf, int n, int type)
/* Unlike Linux, HP-UX returns an error if n==0: */
if ( n <= 0 )
return -EINVAL ;
return( sys_gethostname(ubuf, n) );
return sys_gethostname(ubuf, n);
break ;
case 6:
/* Supposedly called from setuname() in libc.
@ -420,7 +421,7 @@ int hpux_utssys(char *ubuf, int n, int type)
}
}
int hpux_getdomainname(char *name, int len)
int hpux_getdomainname(char __user *name, int len)
{
int nlen;
int err = -EFAULT;
@ -471,17 +472,18 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2)
printk(KERN_DEBUG "hpux_sysfs called with arg1='%lx'\n", arg1);
if ( opcode == 1 ) { /* GETFSIND */
len = strlen_user((char *)arg1);
char __user *user_fsname = (char __user *)arg1;
len = strlen_user(user_fsname);
printk(KERN_DEBUG "len of arg1 = %d\n", len);
if (len == 0)
return 0;
fsname = (char *) kmalloc(len, GFP_KERNEL);
if ( !fsname ) {
fsname = kmalloc(len, GFP_KERNEL);
if (!fsname) {
printk(KERN_DEBUG "failed to kmalloc fsname\n");
return 0;
}
if ( copy_from_user(fsname, (char *)arg1, len) ) {
if (copy_from_user(fsname, user_fsname, len)) {
printk(KERN_DEBUG "failed to copy_from_user fsname\n");
kfree(fsname);
return 0;
@ -495,7 +497,7 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2)
fstype = 0;
} else {
fstype = 0;
};
}
kfree(fsname);

2
arch/parisc/kernel/pci-dma.c
View file

@ -342,7 +342,7 @@ pcxl_dma_init(void)
pcxl_res_map = (char *)__get_free_pages(GFP_KERNEL,
get_order(pcxl_res_size));
memset(pcxl_res_map, 0, pcxl_res_size);
proc_gsc_root = proc_mkdir("gsc", 0);
proc_gsc_root = proc_mkdir("gsc", NULL);
if (!proc_gsc_root)
printk(KERN_WARNING
"pcxl_dma_init: Unable to create gsc /proc dir entry\n");

6
arch/parisc/mm/ioremap.c
View file

@ -128,7 +128,7 @@ remap_area_pages(unsigned long address, unsigned long phys_addr,
*/
void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags)
{
void *addr;
void __iomem *addr;
struct vm_struct *area;
unsigned long offset, last_addr;
@ -178,13 +178,13 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
if (!area)
return NULL;
addr = area->addr;
addr = (void __iomem *) area->addr;
if (remap_area_pages((unsigned long) addr, phys_addr, size, flags)) {
vfree(addr);
return NULL;
}
return (void __iomem *) (offset + (char *)addr);
return (void __iomem *) (offset + (char __iomem *)addr);
}
EXPORT_SYMBOL(__ioremap);