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Commit 424a92eb authored by Sudheer Papothi's avatar Sudheer Papothi
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ASoC: msm-compress: Add NULL check in msm_compr_set_volume 



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

Change-Id: I364bf95ce7df0f5b4cea0e7bd4c5926c1966aac1
Signed-off-by: default avatarSudheer Papothi <spapothi@codeaurora.org>
parent d155d7f5

asoc/msm-compress-q6-v2.c

+4 −0
Original line number Diff line number Diff line
@@ -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;