iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ASoC: SOF: ipc4-pcm: fix possible null pointer deference

Browse Source 
The call to snd_sof_find_spcm_dai() could return NULL,
add nullable check for the return value to avoid null
pointer defenrece.

Fixes: 7cb19007ba ("ASoC: SOF: ipc4-pcm: add hw_params")
Signed-off-by: Chao Song <chao.song@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230816133311.7523-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Chao Song 2023-08-16 16:33:11 +03:00 committed by Mark Brown
parent 0fc7769e54
commit 2d218b4584
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sound/soc/sof/ipc4-pcm.c
View File

@ -708,6 +708,9 @@ static int sof_ipc4_pcm_hw_params(struct snd_soc_component *component,
struct snd_sof_pcm *spcm;
spcm = snd_sof_find_spcm_dai(component, rtd);
if (!spcm)
return -EINVAL;
time_info = spcm->stream[substream->stream].private;
/* delay calculation is not supported by current fw_reg ABI */
if (!time_info)