From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 8 May 2013 23:48:02 +0000 (-0700)
Subject: ARM: OMAP1: DMA: fix error handling in omap1_system_dma_init()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=348c34225d4395b769ec6d283b0c7ace0b430a38;p=openwrt%2Fstaging%2Fblogic.git

ARM: OMAP1: DMA: fix error handling in omap1_system_dma_init()

Add the missing iounmap() before return from omap1_system_dma_init()
in the error handling case.
Also removed platform_device_del() on add resources error case which
cause dup device delete.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c
index 1a4e887f028d..68ab858e27b7 100644
--- a/arch/arm/mach-omap1/dma.c
+++ b/arch/arm/mach-omap1/dma.c
@@ -301,7 +301,7 @@ static int __init omap1_system_dma_init(void)
 	if (ret) {
 		dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n",
 			__func__, pdev->name, pdev->id);
-		goto exit_device_put;
+		goto exit_iounmap;
 	}
 
 	p = kzalloc(sizeof(struct omap_system_dma_plat_info), GFP_KERNEL);
@@ -309,7 +309,7 @@ static int __init omap1_system_dma_init(void)
 		dev_err(&pdev->dev, "%s: Unable to allocate 'p' for %s\n",
 			__func__, pdev->name);
 		ret = -ENOMEM;
-		goto exit_device_del;
+		goto exit_iounmap;
 	}
 
 	d = kzalloc(sizeof(struct omap_dma_dev_attr), GFP_KERNEL);
@@ -402,8 +402,8 @@ exit_release_d:
 	kfree(d);
 exit_release_p:
 	kfree(p);
-exit_device_del:
-	platform_device_del(pdev);
+exit_iounmap:
+	iounmap(dma_base);
 exit_device_put:
 	platform_device_put(pdev);