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ASoC: core: fix possible memory leak in snd_soc_bytes_put() 

'data' is malloced in snd_soc_bytes_put() and should be freed
before leaving from the error handling cases, otherwise it will cause
memory leak.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Wei Yongjun 2013-03-12 00:35:14 +08:00 committed by Mark Brown
parent f6161aa153
commit e8b18addee
1 changed files with 4 additions and 2 deletions
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6
sound/soc/soc-core.c
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@ -3140,7 +3140,7 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
if (params->mask) {
ret = regmap_read(codec->control_data, params->base, &val);
if (ret != 0)
return ret;
goto out;
val &= params->mask;
@ -3158,13 +3158,15 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
((u32 *)data)[0] |= cpu_to_be32(val);
break;
default:
return -EINVAL;
ret = -EINVAL;
goto out;
}
}
ret = regmap_raw_write(codec->control_data, params->base,
data, len);
out:
kfree(data);
return ret;