diff options
| author | Chao Song <chao.song@linux.intel.com> | 2023-08-16 16:33:11 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-08-16 14:47:01 +0100 |
| commit | 2d218b45848b92b03b220bf4d9bef29f058f866f (patch) | |
| tree | 1e3d6e87c3d6e18f5c8fe5bd83096d4145e82da2 /sound | |
| parent | 0fc7769e54e747c8fd1b4899af2ac43cb68daa1c (diff) | |
ASoC: SOF: ipc4-pcm: fix possible null pointer deference
The call to snd_sof_find_spcm_dai() could return NULL,
add nullable check for the return value to avoid null
pointer defenrece.
Fixes: 7cb19007baba ("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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/ipc4-pcm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c index 0c905bd0fab4..027416eb2f50 100644 --- a/sound/soc/sof/ipc4-pcm.c +++ b/sound/soc/sof/ipc4-pcm.c @@ -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) |