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Diffstat (limited to 'sound/soc/codecs/twl4030.c')
| -rw-r--r-- | sound/soc/codecs/twl4030.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index ddc9f37d863..f530c1e6d9e 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -125,6 +125,9 @@ static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec, { u8 *cache = codec->reg_cache; + if (reg >= TWL4030_CACHEREGNUM) + return -EIO; + return cache[reg]; } |