[alsa-devel] [PATCH 9/9] ASoC: wm8996: Fix negative array index read

[Takashi Iwai]

Spotted by coverity CID 146355.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/soc/codecs/wm8996.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index 46fe83d2b224..b70379ebd142 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -438,6 +438,8 @@ static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 	struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 	int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 
+	if (block < 0)
+		return block;
 	ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
 
 	return 0;
-- 
1.8.4.1