* [bug report] ASoC: SOF: compr: Add compress ops implementation
@ 2022-02-10 8:34 Dan Carpenter
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From: Dan Carpenter @ 2022-02-10 8:34 UTC (permalink / raw)
To: daniel.baluta; +Cc: alsa-devel
Hello Daniel Baluta,
This is a semi-automatic email about new static checker warnings.
The patch 6324cf901e14: "ASoC: SOF: compr: Add compress ops
implementation" from Jan 20, 2022, leads to the following Smatch
complaint:
sound/soc/sof/compress.c:54 snd_sof_compr_fragment_elapsed()
warn: variable dereferenced before check 'cstream' (see line 48)
sound/soc/sof/compress.c
47 {
48 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
49 struct snd_compr_runtime *crtd = cstream->runtime;
^^^^^^^^^^^^^^^^
The patch adds a new dereference
50 struct snd_soc_component *component;
51 struct snd_compr_tstamp *tstamp;
52 struct snd_sof_pcm *spcm;
53
54 if (!cstream)
^^^^^^^^
The old code assumed "cstream" could be NULL
55 return;
56
regards,
dan carpenter
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