Re: [PATCH] ARM: imx: fix return value check in imx3_init_l2x0()

From: Sascha Hauer
Date: Mon Oct 08 2012 - 05:25:48 EST


On Thu, Sep 27, 2012 at 01:54:01PM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxxxxx>

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;
> }
>
>
>

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