From: Phil Carmody <ext-phil.2.carmody@nokia.com>
Date: Wed, 14 Apr 2010 14:03:13 +0000 (+0300)
Subject: ASoC: da7210: Fencepost error in reg cache read
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=4f6f22d7bef77dfb6b27eaed4240784339c546e6;p=deliverable%2Flinux.git

ASoC: da7210: Fencepost error in reg cache read

An index equal to the array size may not be accessed.

Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 89cea32f9424..b9cbaeb09e05 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -181,7 +181,7 @@ static const u8 da7210_reg[] = {
 static inline u32 da7210_read_reg_cache(struct snd_soc_codec *codec, u32 reg)
 {
 	u8 *cache = codec->reg_cache;
-	BUG_ON(reg > ARRAY_SIZE(da7210_reg));
+	BUG_ON(reg >= ARRAY_SIZE(da7210_reg));
 	return cache[reg];
 }