linux-kernel - [PATCH 5/12] wm8711: fix a memory leak if another WM8711 is registered

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Message-Id: <1279162673.29294.14.camel@mola>
Date:	Thu, 15 Jul 2010 10:57:53 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Liam Girdwood <lrg@...mlogic.co.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Tejun Heo <tj@...nel.org>, alsa-devel@...a-project.org
Subject: [PATCH 5/12] wm8711: fix a memory leak if another WM8711 is
	registered

wm8711 is allocated in either wm8711_spi_probe() or wm8711_i2c_probe() but is
not freed if wm8711_register() return -EINVAL(if another ad1836 is registered).

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 sound/soc/codecs/wm8711.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c
index effb14e..e2dba07 100644
--- a/sound/soc/codecs/wm8711.c
+++ b/sound/soc/codecs/wm8711.c
@@ -439,7 +439,8 @@ static int wm8711_register(struct wm8711_priv *wm8711,
 
 	if (wm8711_codec) {
 		dev_err(codec->dev, "Another WM8711 is registered\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto err;
 	}
 
 	mutex_init(&codec->mutex);
-- 
1.5.4.3



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