[alsa-devel] [PATCH 1/12] ad1836: fix a memory leak if another ad1836 is registered

[Axel Lin]

ad1836 is allocated in ad1836_spi_probe() but is not freed if ad1836_register()
return -EINVAL (if another ad1836 is registered).

Signed-off-by: Axel Lin <axel.lin at gmail.com>
---
 sound/soc/codecs/ad1836.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/ad1836.c b/sound/soc/codecs/ad1836.c
index 2175384..a01006c 100644
--- a/sound/soc/codecs/ad1836.c
+++ b/sound/soc/codecs/ad1836.c
@@ -272,6 +272,7 @@ static int ad1836_register(struct ad1836_priv *ad1836)
 
 	if (ad1836_codec) {
 		dev_err(codec->dev, "Another ad1836 is registered\n");
+		kfree(ad1836);
 		return -EINVAL;
 	}
 
-- 
1.5.4.3