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ASoC: SOF: compress: fix null check after dereference
"cstream" is dereferenced but null checked later. Swap their positions to avoid potential null dereference. Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Signed-off-by: Weiguo Li <liwg06@foxmail.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20220310171651.249385-3-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -46,8 +46,8 @@ void snd_sof_compr_init_elapsed_work(struct work_struct *work)
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*/
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void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream)
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{
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struct snd_soc_pcm_runtime *rtd = cstream->private_data;
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struct snd_compr_runtime *crtd = cstream->runtime;
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struct snd_soc_pcm_runtime *rtd;
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struct snd_compr_runtime *crtd;
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struct snd_soc_component *component;
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struct snd_compr_tstamp *tstamp;
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struct snd_sof_pcm *spcm;
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@ -55,6 +55,8 @@ void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream)
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if (!cstream)
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return;
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rtd = cstream->private_data;
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crtd = cstream->runtime;
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tstamp = crtd->private_data;
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component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
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