From: Jaroslav Kysela perex@perex.cz
stable inclusion from stable-5.10.52 commit 71f8d7fbfe8e5c86fc046cf212eabd25d365591a bugzilla: 175542 https://gitee.com/openeuler/kernel/issues/I4DTKU
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 12ffd726824a2f52486f72338b6fd3244b512959 ]
In case, where the loops are not executed for a reason, the uninitialized variable 'err' is returned to the caller. Make code fully predictible and assign zero in the declaration.
Signed-off-by: Jaroslav Kysela perex@perex.cz Cc: Mark Brown broonie@kernel.org Cc: Kuninori Morimoto kuninori.morimoto.gx@renesas.com Link: https://lore.kernel.org/r/20210614071746.1787072-1-perex@perex.cz Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Chen Jun chenjun102@huawei.com --- sound/soc/soc-pcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 91bf33958159..8b8a9aca2912 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -1738,7 +1738,7 @@ static int dpcm_apply_symmetry(struct snd_pcm_substream *fe_substream, struct snd_soc_dpcm *dpcm; struct snd_soc_pcm_runtime *fe = asoc_substream_to_rtd(fe_substream); struct snd_soc_dai *fe_cpu_dai; - int err; + int err = 0; int i;
/* apply symmetry for FE */