linux-kernel - [PATCH 9/12] wm8961: fix resource reclaim in wm8961

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Date:	Thu, 15 Jul 2010 11:06:40 +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 9/12] wm8961: fix resource reclaim in wm8961_register error
	path

This patch fixes the error path in wm8961_register to properly free resources.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 sound/soc/codecs/wm8961.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/wm8961.c b/sound/soc/codecs/wm8961.c
index 5b9a756..2549d3a 100644
--- a/sound/soc/codecs/wm8961.c
+++ b/sound/soc/codecs/wm8961.c
@@ -1102,7 +1102,7 @@ static int wm8961_register(struct wm8961_priv *wm8961)
 	ret = wm8961_reset(codec);
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to issue reset\n");
-		return ret;
+		goto err;
 	}
 
 	/* Enable class W */
@@ -1147,18 +1147,19 @@ static int wm8961_register(struct wm8961_priv *wm8961)
 	ret = snd_soc_register_codec(codec);
 	if (ret != 0) {
 		dev_err(codec->dev, "Failed to register codec: %d\n", ret);
-		return ret;
+		goto err;
 	}
 
 	ret = snd_soc_register_dai(&wm8961_dai);
 	if (ret != 0) {
 		dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
-		snd_soc_unregister_codec(codec);
-		return ret;
+		goto err_codec;
 	}
 
 	return 0;
 
+err_codec:
+	snd_soc_unregister_codec(codec);
 err:
 	kfree(wm8961);
 	return ret;
-- 
1.5.4.3



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