[PATCH] ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init()

Igor Grinberg grinberg at compulab.co.il
Sun Nov 3 04:50:13 EST 2013


On 10/25/13 11:31, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
> 
> In case of error, the function platform_device_register_resndata()
> returns ERR_PTR() and never returns NULL. The NULL test in the return
> value check should be replaced with IS_ERR().
> 
> Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

Acked-by: Igor Grinberg <grinberg at compulab.co.il>

> ---
>  arch/arm/mach-omap2/gpmc-smsc911x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-omap2/gpmc-smsc911x.c b/arch/arm/mach-omap2/gpmc-smsc911x.c
> index ef99011..2757504 100644
> --- a/arch/arm/mach-omap2/gpmc-smsc911x.c
> +++ b/arch/arm/mach-omap2/gpmc-smsc911x.c
> @@ -83,7 +83,7 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *gpmc_cfg)
>  	pdev = platform_device_register_resndata(NULL, "smsc911x", gpmc_cfg->id,
>  		 gpmc_smsc911x_resources, ARRAY_SIZE(gpmc_smsc911x_resources),
>  		 &gpmc_smsc911x_config, sizeof(gpmc_smsc911x_config));
> -	if (!pdev) {
> +	if (IS_ERR(pdev)) {
>  		pr_err("Unable to register platform device\n");
>  		gpio_free(gpmc_cfg->gpio_reset);
>  		goto free2;
> 
> --
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-- 
Regards,
Igor.



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