Patchwork ARM: imx: fix return value check in imx3_init_l2x0()

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Submitter Wei Yongjun
Date Sept. 27, 2012, 5:54 a.m.
Message ID <CAPgLHd8Rma5fSWPtjvLr18TEmmC=8kOjmSJtneO0Ecd1bvOrcg@mail.gmail.com>
Download mbox | patch
Permalink /patch/187283/
State New
Headers show

Comments

Wei Yongjun - Sept. 27, 2012, 5:54 a.m.
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

In case of error, the function ioremap() returns NULL
not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 arch/arm/mach-imx/mm-imx3.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
Sascha Hauer - Oct. 8, 2012, 9:25 a.m.
On Thu, Sep 27, 2012 at 01:54:01PM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> In case of error, the function ioremap() returns NULL
> not ERR_PTR(). The IS_ERR() test in the return value
> check should be replaced with NULL test.
> 
> dpatch engine is used to auto generate this patch.
> (https://github.com/weiyj/dpatch)
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Appied, thanks

Sascha


> ---
>  arch/arm/mach-imx/mm-imx3.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
> index 9d2c843..b5deb05 100644
> --- a/arch/arm/mach-imx/mm-imx3.c
> +++ b/arch/arm/mach-imx/mm-imx3.c
> @@ -108,9 +108,8 @@ void __init imx3_init_l2x0(void)
>  	}
>  
>  	l2x0_base = ioremap(MX3x_L2CC_BASE_ADDR, 4096);
> -	if (IS_ERR(l2x0_base)) {
> -		printk(KERN_ERR "remapping L2 cache area failed with %ld\n",
> -				PTR_ERR(l2x0_base));
> +	if (!l2x0_base) {
> +		printk(KERN_ERR "remapping L2 cache area failed\n");
>  		return;
>  	}
>  
> 
>

Patch

diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 9d2c843..b5deb05 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -108,9 +108,8 @@  void __init imx3_init_l2x0(void)
 	}
 
 	l2x0_base = ioremap(MX3x_L2CC_BASE_ADDR, 4096);
-	if (IS_ERR(l2x0_base)) {
-		printk(KERN_ERR "remapping L2 cache area failed with %ld\n",
-				PTR_ERR(l2x0_base));
+	if (!l2x0_base) {
+		printk(KERN_ERR "remapping L2 cache area failed\n");
 		return;
 	}