Unverified Commit c3ce4464 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9597 ASoC: max9759: fix underflow in speaker_gain_control_put() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Wenyu Huang <huangwenyu5@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/42EUWSALJMWFLLD3P3Y524W5B3RNLUP5/ 
 
https://gitee.com/src-openeuler/kernel/issues/IA72GH 
 
Link:https://gitee.com/openeuler/kernel/pulls/9597

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents b5cc9c3b 88294471

sound/soc/codecs/max9759.c

+2 −1
Original line number Diff line number Diff line
@@ -64,7 +64,8 @@ static int speaker_gain_control_put(struct snd_kcontrol *kcontrol, 
	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);

	struct max9759 *priv = snd_soc_component_get_drvdata(c);



	if (ucontrol->value.integer.value[0] > 3)

	if (ucontrol->value.integer.value[0] < 0 ||

	    ucontrol->value.integer.value[0] > 3)

		return -EINVAL;



	priv->gain = ucontrol->value.integer.value[0];