From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 9 Jun 2017 07:01:21 +0000 (+0800)
Subject: ASoC: ak4613: Fix out of bounds array access for ak4613_iface
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b5f2a487f524e6eeeec38651e7b58760ebfd843e;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ASoC: ak4613: Fix out of bounds array access for ak4613_iface

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/ak4613.c b/sound/soc/codecs/ak4613.c
index b2dfddead227..987918628d5b 100644
--- a/sound/soc/codecs/ak4613.c
+++ b/sound/soc/codecs/ak4613.c
@@ -345,7 +345,7 @@ static int ak4613_dai_hw_params(struct snd_pcm_substream *substream,
 		if (ak4613_dai_fmt_matching(priv->iface, is_play, fmt, width))
 			iface = priv->iface;
 	} else {
-		for (i = ARRAY_SIZE(ak4613_iface); i >= 0; i--) {
+		for (i = ARRAY_SIZE(ak4613_iface) - 1; i >= 0; i--) {
 			if (!ak4613_dai_fmt_matching(ak4613_iface + i,
 						     is_play,
 						     fmt, width))