Commit 28d1ad09 authored Feb 05, 2015 by Bard Liao Committed by Mark Brown Feb 05, 2015

ASoC: rt286: Fix potencial crash in jd function



We assign rt286->codec in rt286_probe. If rt286_jack_detect is
invoked before rt286_probe, rt286->codec will be NULL and cause
a kernel panic.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent 54d96a40

sound/soc/codecs/rt286.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -305,6 +305,8 @@ static int rt286_jack_detect(struct rt286_priv rt286, bool hp, bool *mic)
		*hp = false;
		*mic = false;

		if (!rt286->codec)
		return -EINVAL;
		if (rt286->pdata.cbj_en) {
		regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
		*hp = buf & 0x80000000;