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authorAxel Lin <axel.lin@gmail.com>2010-07-23 05:53:45 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-03 07:43:52 +0100
commit085efd28b65582fac459359672421a1c479e7db1 (patch)
treee3c757bd4bacb91e164588d5c7af39ccd781cfa0 /sound/soc
parent7bcaad919bc7aaa084f5884aa15654fe1fa4c77f (diff)
downloadlinux-085efd28b65582fac459359672421a1c479e7db1.tar.bz2
ASoC: da7210: fix a memory leak if failed to initialise da7210 audio codec
da7210 should be kfreed if da7210_init() return error. This patch also fixes the error handing in the case of snd_soc_register_dai() fail by adding snd_soc_unregister_codec() in error path. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/da7210.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 3e42d1e0e601..3c51d6a57523 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -499,7 +499,7 @@ static int da7210_init(struct da7210_priv *da7210)
ret = snd_soc_register_dai(&da7210_dai);
if (ret) {
dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- goto init_err;
+ goto codec_err;
}
/* FIXME
@@ -585,6 +585,8 @@ static int da7210_init(struct da7210_priv *da7210)
return ret;
+codec_err:
+ snd_soc_unregister_codec(codec);
init_err:
kfree(codec->reg_cache);
codec->reg_cache = NULL;
@@ -612,8 +614,10 @@ static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
codec->control_data = i2c;
ret = da7210_init(da7210);
- if (ret < 0)
+ if (ret < 0) {
pr_err("Failed to initialise da7210 audio codec\n");
+ kfree(da7210);
+ }
return ret;
}