Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 87a38fb7 authored Mar 02, 2017 by Walter Yang Committed by Gerrit - the friendly Code Review server Sep 24, 2018

ASoC: Add backend user count check



Add backend user count check to protect the index
boundary.

Change-Id: Ic1b61d1f7130252cc54da0b16553858714988dbd
CRs-Fixed: 2009216
Signed-off-by: Walter Yang <yandongy@codeaurora.org>

parent 3649a615

sound/soc/soc-compress.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -680,6 +680,11 @@ static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
		cstream, &async_domain);
		} else {
		be_list[j++] = be;
		if (j == DPCM_MAX_BE_USERS) {
		dev_dbg(fe->dev,
		"ASoC: MAX backend users!\n");
		break;
		}
		}
		}
		for (i = 0; i < j; i++) {

sound/soc/soc-pcm.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -2732,6 +2732,10 @@ void dpcm_be_dai_prepare_async(struct snd_soc_pcm_runtime *fe, int stream,
		dpcm, domain);
		} else {
		dpcm_async[i++] = dpcm;
		if (i == DPCM_MAX_BE_USERS) {
		dev_dbg(fe->dev, "ASoC: MAX backend users!\n");
		break;
		}
		}
		}