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Code Issues Releases Wiki Activity

staging: bcm2835-audio: allocate enough data for work queues

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We accidentally allocate sizeof(void *) bytes instead of 112 bytes.  It
results in memory corruption.

Fixes: 23b028c871 ("staging: bcm2835-audio: initial staging submission")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2017-02-15 02:15:44 +03:00 committed by Greg Kroah-Hartman
parent 021fbaa5fb
commit f5e2199ae5
1 changed files with 9 additions and 6 deletions
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15
drivers/staging/bcm2835-audio/bcm2835-vchiq.c
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@ -135,8 +135,9 @@ int bcm2835_audio_start(struct bcm2835_alsa_stream *alsa_stream)
LOG_DBG(" .. IN\n");
if (alsa_stream->my_wq) {
struct bcm2835_audio_work *work =
kmalloc(sizeof(struct bcm2835_audio_work *), GFP_ATOMIC);
struct bcm2835_audio_work *work;
work = kmalloc(sizeof(*work), GFP_ATOMIC);
/*--- Queue some work (item 1) ---*/
if (work) {
INIT_WORK(&work->my_work, my_wq_function);
@ -157,8 +158,9 @@ int bcm2835_audio_stop(struct bcm2835_alsa_stream *alsa_stream)
LOG_DBG(" .. IN\n");
if (alsa_stream->my_wq) {
struct bcm2835_audio_work *work =
kmalloc(sizeof(struct bcm2835_audio_work *), GFP_ATOMIC);
struct bcm2835_audio_work *work;
work = kmalloc(sizeof(*work), GFP_ATOMIC);
/*--- Queue some work (item 1) ---*/
if (work) {
INIT_WORK(&work->my_work, my_wq_function);
@ -180,8 +182,9 @@ int bcm2835_audio_write(struct bcm2835_alsa_stream *alsa_stream,
LOG_DBG(" .. IN\n");
if (alsa_stream->my_wq) {
struct bcm2835_audio_work *work =
kmalloc(sizeof(struct bcm2835_audio_work *), GFP_ATOMIC);
struct bcm2835_audio_work *work;
work = kmalloc(sizeof(*work), GFP_ATOMIC);
/*--- Queue some work (item 1) ---*/
if (work) {
INIT_WORK(&work->my_work, my_wq_function);