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From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>,
	Daniel Ribeiro <drwyrm@gmail.com>, Tejun Heo <tj@kernel.org>,
	Jiri Kosina <jkosina@suse.cz>,
	alsa-devel@alsa-project.org
Subject: [PATCH 12/12] wm9081: fix resource reclaim in wm9081_register error path
Date: Thu, 15 Jul 2010 11:11:08 +0800	[thread overview]
Message-ID: <1279163468.29294.32.camel@mola> (raw)
In-Reply-To: <1279162147.29294.2.camel@mola>

This patch fixes the error path in wm9081_register to properly free resources.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 sound/soc/codecs/wm9081.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c
index 13186fb..76b37ff 100644
--- a/sound/soc/codecs/wm9081.c
+++ b/sound/soc/codecs/wm9081.c
@@ -1356,7 +1356,7 @@ static int wm9081_register(struct wm9081_priv *wm9081,
 	ret = snd_soc_codec_set_cache_io(codec, 8, 16, control);
 	if (ret != 0) {
 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
-		return ret;
+		goto err;
 	}
 
 	reg = snd_soc_read(codec, WM9081_SOFTWARE_RESET);
@@ -1369,7 +1369,7 @@ static int wm9081_register(struct wm9081_priv *wm9081,
 	ret = wm9081_reset(codec);
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to issue reset\n");
-		return ret;
+		goto err;
 	}
 
 	wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@@ -1388,18 +1388,19 @@ static int wm9081_register(struct wm9081_priv *wm9081,
 	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(&wm9081_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(wm9081);
 	return ret;
-- 
1.5.4.3

  parent reply	other threads:[~2010-07-15  3:11 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-15  2:49 [PATCH 0/12] sound/alsa/soc/codec: fix memory leak and resource relaim in error path Axel Lin
2010-07-15  2:50 ` [PATCH 1/12] ad1836: fix a memory leak if another ad1836 is registered Axel Lin
2010-07-20 10:31   ` Barry Song
2010-07-15  2:52 ` [PATCH 2/12] ak4642: fix a memory leak if failed to initialise AK4642 Axel Lin
2010-07-15  5:53   ` Kuninori Morimoto
2010-07-15  6:19     ` Axel Lin
2010-07-15  6:29       ` Kuninori Morimoto
2010-07-15  2:53 ` [PATCH 3/12] da7210: fix a memory leak if failed to initialise da7210 audio codec Axel Lin
2010-07-15  2:56 ` [PATCH 4/12] wm8523: fix resource reclaim in wm8523_register error path Axel Lin
2010-07-15  2:57 ` [PATCH 5/12] wm8711: fix a memory leak if another WM8711 is registered Axel Lin
2010-07-15  2:59 ` [PATCH 6/12] wm8904: fix resource reclaim in wm8904_register error path Axel Lin
2010-07-15  3:01 ` [PATCH 7/12] wm8940: fix resource reclaim in wm8940_register " Axel Lin
2010-07-15  7:04   ` Guennadi Liakhovetski
2010-07-15  7:42     ` Axel Lin
2010-07-15  7:59       ` Guennadi Liakhovetski
2010-07-15  8:54       ` Liam Girdwood
2010-07-15  7:48   ` [PATCH v2 7/12] wm8940: fix a memory leak if wm8940_register return error Axel Lin
2010-07-15  3:03 ` [PATCH 8/12] wm8955: fix resource reclaim in wm8955_register error path Axel Lin
2010-07-15  3:06 ` [PATCH 9/12] wm8961: fix resource reclaim in wm8961_register " Axel Lin
2010-07-15  3:07 ` [PATCH 10/12] wm8974: fix a memory leak if another WM8974 is registered Axel Lin
2010-07-15  3:08 ` [PATCH 11/12] wm8978: fix a memory leak if another WM8978 " Axel Lin
2010-07-15  8:37   ` [PATCH v2 " Axel Lin
2010-07-15  8:53     ` Guennadi Liakhovetski
2010-07-15  3:11 ` Axel Lin [this message]
2010-07-15  8:59 ` [PATCH 0/12] sound/alsa/soc/codec: fix memory leak and resource relaim in error path Mark Brown
2010-07-19  1:41   ` Axel Lin

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