linux-kernel - [PATCH 4/8] ASoC: sam9g20_wm8731: fix resource leak in at91sam9g20ek

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Message-Id: <1290669063.30158.14.camel@mola>
Date:	Thu, 25 Nov 2010 15:11:03 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Sedji Gaouaou <sedji.gaouaou@...el.com>,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	alsa-devel@...a-project.org
Subject: [PATCH 4/8] ASoC: sam9g20_wm8731: fix resource leak in
	at91sam9g20ek_init error path

Fix the error path to properly free allocated resources.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 sound/soc/atmel/sam9g20_wm8731.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
index 1c9de19..af3c730 100644
--- a/sound/soc/atmel/sam9g20_wm8731.c
+++ b/sound/soc/atmel/sam9g20_wm8731.c
@@ -240,6 +240,7 @@ static int __init at91sam9g20ek_init(void)
 	if (!at91sam9g20ek_snd_device) {
 		printk(KERN_ERR "ASoC: Platform device allocation failed\n");
 		ret = -ENOMEM;
+		goto err_mclk;
 	}
 
 	platform_set_drvdata(at91sam9g20ek_snd_device,
@@ -248,11 +249,13 @@ static int __init at91sam9g20ek_init(void)
 	ret = platform_device_add(at91sam9g20ek_snd_device);
 	if (ret) {
 		printk(KERN_ERR "ASoC: Platform device allocation failed\n");
-		platform_device_put(at91sam9g20ek_snd_device);
+		goto err_device_add;
 	}
 
 	return ret;
 
+err_device_add:
+	platform_device_put(at91sam9g20ek_snd_device);
 err_mclk:
 	clk_put(mclk);
 	mclk = NULL;
-- 
1.7.2



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