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ASoC: msm-compress: Add NULL check in msm_compr_set_volume

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Add NULL check for pdata structure in msm_compr_set_volume to
avoid dereference.

Change-Id: I364bf95ce7df0f5b4cea0e7bd4c5926c1966aac1
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi 2020-04-23 06:03:59 +05:30
commit 424a92ebb9
1 changed files with 4 additions and 0 deletions
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4
asoc/msm-compress-q6-v2.c
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@ -381,12 +381,16 @@ static int msm_compr_set_volume(struct snd_compr_stream *cstream,
}
pdata = snd_soc_component_get_drvdata(component);
if (!pdata)
return -EINVAL;
if (prtd->compr_passthr != LEGACY_PCM) {
pr_debug("%s: No volume config for passthrough %d\n",
__func__, prtd->compr_passthr);
return rc;
}
if (!rtd->dai_link || !pdata->ch_map[rtd->dai_link->id])
return -EINVAL;
use_default = !(pdata->ch_map[rtd->dai_link->id]->set_ch_map);
chmap = pdata->ch_map[rtd->dai_link->id]->channel_map;