diff options
| author | Jaroslav Kysela <perex@perex.cz> | 2026-01-07 22:36:42 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-02-06 16:40:00 +0100 |
| commit | a1748063cac4c5b3bd9107078df56c585d7527ab (patch) | |
| tree | 68fb6e8e6db62f85e50042407049d399c418f6bb /include | |
| parent | 38e371c5d9843a1aec38bcc686838da7edc936b3 (diff) | |
ALSA: pcm: Improve the fix for race of buffer access at PCM OSS layer
commit 47c27c9c9c720bc93fdc69605d0ecd9382e99047 upstream.
Handle the error code from snd_pcm_buffer_access_lock() in
snd_pcm_runtime_buffer_set_silence() function.
Found by Alexandros Panagiotou <apanagio@redhat.com>
Fixes: 93a81ca06577 ("ALSA: pcm: Fix race of buffer access at PCM OSS layer")
Cc: stable@vger.kernel.org # 6.15
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://patch.msgid.link/20260107213642.332954-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/pcm.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index c573c6a7da12..bc1f2e2a5117 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -1334,7 +1334,7 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream, struct vm_area_s #define snd_pcm_lib_mmap_iomem NULL #endif -void snd_pcm_runtime_buffer_set_silence(struct snd_pcm_runtime *runtime); +int snd_pcm_runtime_buffer_set_silence(struct snd_pcm_runtime *runtime); /** * snd_pcm_limit_isa_dma_size - Get the max size fitting with ISA DMA transfer |