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>
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 3e42d1e..3c51d6a 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -499,7 +499,7 @@
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 @@
return ret;
+codec_err:
+ snd_soc_unregister_codec(codec);
init_err:
kfree(codec->reg_cache);
codec->reg_cache = NULL;
@@ -612,8 +614,10 @@
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;
}