ASoC: da7210: Fencepost error in reg cache read
authorPhil Carmody <ext-phil.2.carmody@nokia.com>
Wed, 14 Apr 2010 14:03:13 +0000 (17:03 +0300)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Tue, 20 Apr 2010 16:41:26 +0000 (01:41 +0900)
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>
sound/soc/codecs/da7210.c

index 89cea32f94246c19518c937eeb93aaf56246b0cd..b9cbaeb09e05e9145171ebd21d847ef78a722a32 100644 (file)
@@ -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];
 }