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ASoC: pcm: add null check for be_substream

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be_substream returns from snd_soc_dpcm_get_substream could be
NULL and add NULL check for be_substream.

Change-Id: I187bd6f22317cdbd6c6def3ee5b0afd3190fa810
Signed-off-by: Meng Wang <mengw@codeaurora.org>
This commit is contained in:
Meng Wang 2020-06-30 16:52:24 +08:00
commit b31980dee5
1 changed files with 2 additions and 0 deletions
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2
sound/soc/soc-pcm.c
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@ -1319,6 +1319,8 @@ static void dpcm_be_reparent(struct snd_soc_pcm_runtime *fe,
return;
be_substream = snd_soc_dpcm_get_substream(be, stream);
if (be_substream == NULL)
return;
for_each_dpcm_fe(be, stream, dpcm) {
if (dpcm->fe == fe)