ASoC: wm8996: Fix negative array index read

Spotted by coverity CID 146355. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Mark Brown <broonie@linaro.org>
mariux64 · Oct 30, 2013 · fe329a1 · fe329a1
1 parent 959f585
commit fe329a1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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;