diff mbox

ARM: OMAP: fix return value check in realtime_counter_init()

Message ID CAPgLHd_X+vT-AtkHCAmmieEtdQbVz6RcUWogY83qZyvzK_tidA@mail.gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wei Yongjun Oct. 7, 2012, 1:58 p.m. UTC
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

In case of error, the function clk_get() returns ERR_PTR()
and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().

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-omap2/timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Tony Lindgren Oct. 8, 2012, 10:01 p.m. UTC | #1
* Wei Yongjun <weiyj.lk@gmail.com> [121007 07:00]:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> In case of error, the function clk_get() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value
> check should be replaced with IS_ERR().

Thanks applying into omap fixes.

Tony
 
> 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-omap2/timer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
> index 8847d6e..44f9aa7 100644
> --- a/arch/arm/mach-omap2/timer.c
> +++ b/arch/arm/mach-omap2/timer.c
> @@ -378,7 +378,7 @@ static void __init realtime_counter_init(void)
>  		return;
>  	}
>  	sys_clk = clk_get(NULL, "sys_clkin_ck");
> -	if (!sys_clk) {
> +	if (IS_ERR(sys_clk)) {
>  		pr_err("%s: failed to get system clock handle\n", __func__);
>  		iounmap(base);
>  		return;
> 
> --
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diff mbox

Patch

diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 8847d6e..44f9aa7 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -378,7 +378,7 @@  static void __init realtime_counter_init(void)
 		return;
 	}
 	sys_clk = clk_get(NULL, "sys_clkin_ck");
-	if (!sys_clk) {
+	if (IS_ERR(sys_clk)) {
 		pr_err("%s: failed to get system clock handle\n", __func__);
 		iounmap(base);
 		return;