* [PATCH] da7210: Fencepost error in reg cache read
@ 2010-04-14 14:03 Phil Carmody
2010-04-15 6:41 ` Kuninori Morimoto
0 siblings, 1 reply; 3+ messages in thread
From: Phil Carmody @ 2010-04-14 14:03 UTC (permalink / raw)
To: morimoto.kuninori; +Cc: alsa-devel, broonie
From: Phil Carmody <ext-phil.2.carmody@nokia.com>
An index equal to the array size may not be accessed.
Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
---
sound/soc/codecs/da7210.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 366daf1..96932a8 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -165,7 +165,7 @@ 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];
}
--
1.6.0.4
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2010-04-14 14:03 [PATCH] da7210: Fencepost error in reg cache read Phil Carmody
2010-04-15 6:41 ` Kuninori Morimoto
2010-04-20 16:37 ` Mark Brown
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