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

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[ Upstream commit 2d218b4584 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Chao Song 2023-08-16 16:33:11 +03:00 • committed by Greg Kroah-Hartman

parent dd07e9de2d

commit 5e9db7d4d3

1 changed files with 3 additions and 0 deletions

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sound/soc/sof/ipc4-pcm.c

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