From: Weiguo Li liwg06@foxmail.com
"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 --- sound/soc/sof/compress.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/compress.c b/sound/soc/sof/compress.c index 2af8d75204e9..a8e908e50101 100644 --- a/sound/soc/sof/compress.c +++ b/sound/soc/sof/compress.c @@ -46,8 +46,8 @@ void snd_sof_compr_init_elapsed_work(struct work_struct *work) */ void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { - struct snd_soc_pcm_runtime *rtd = cstream->private_data; - struct snd_compr_runtime *crtd = cstream->runtime; + struct snd_soc_pcm_runtime *rtd; + struct snd_compr_runtime *crtd; struct snd_soc_component *component; struct snd_compr_tstamp *tstamp; struct snd_sof_pcm *spcm; @@ -55,6 +55,8 @@ void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) if (!cstream) return;
+ rtd = cstream->private_data; + crtd = cstream->runtime; tstamp = crtd->private_data; component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);