From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 25 Nov 2010 07:13:09 +0000 (+0800)
Subject: ASoC: imx-ssi: fix resource leak
X-Git-Tag: Ubuntu-5.0.0-8.9~20966^2^2~4
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=ac8f924af555573e29b126ac5cef4fdd122ae517;p=mirror_ubuntu-disco-kernel.git

ASoC: imx-ssi: fix resource leak

Fix imx_ssi_probe() error path and imx_ssi_remove() to properly free
allocated resources.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index d2d98c75ee8a..390b6ffc2658 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -679,8 +679,11 @@ static int imx_ssi_probe(struct platform_device *pdev)
 	}
 
 	ssi->soc_platform_pdev_fiq = platform_device_alloc("imx-fiq-pcm-audio", pdev->id);
-	if (!ssi->soc_platform_pdev_fiq)
+	if (!ssi->soc_platform_pdev_fiq) {
+		ret = -ENOMEM;
 		goto failed_pdev_fiq_alloc;
+	}
+
 	platform_set_drvdata(ssi->soc_platform_pdev_fiq, ssi);
 	ret = platform_device_add(ssi->soc_platform_pdev_fiq);
 	if (ret) {
@@ -689,8 +692,11 @@ static int imx_ssi_probe(struct platform_device *pdev)
 	}
 
 	ssi->soc_platform_pdev = platform_device_alloc("imx-pcm-audio", pdev->id);
-	if (!ssi->soc_platform_pdev)
+	if (!ssi->soc_platform_pdev) {
+		ret = -ENOMEM;
 		goto failed_pdev_alloc;
+	}
+
 	platform_set_drvdata(ssi->soc_platform_pdev, ssi);
 	ret = platform_device_add(ssi->soc_platform_pdev);
 	if (ret) {
@@ -703,6 +709,7 @@ static int imx_ssi_probe(struct platform_device *pdev)
 failed_pdev_add:
 	platform_device_put(ssi->soc_platform_pdev);
 failed_pdev_alloc:
+	platform_device_del(ssi->soc_platform_pdev_fiq);
 failed_pdev_fiq_add:
 	platform_device_put(ssi->soc_platform_pdev_fiq);
 failed_pdev_fiq_alloc:
@@ -726,8 +733,8 @@ static int __devexit imx_ssi_remove(struct platform_device *pdev)
 	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	struct imx_ssi *ssi = platform_get_drvdata(pdev);
 
-	platform_device_del(ssi->soc_platform_pdev);
-	platform_device_put(ssi->soc_platform_pdev);
+	platform_device_unregister(ssi->soc_platform_pdev);
+	platform_device_unregister(ssi->soc_platform_pdev_fiq);
 
 	snd_soc_unregister_dai(&pdev->dev);