linux-kernel - Re: [PATCH] serial: imx: replace IS_ERR and PTR_ERR with PTR_ERR_OR

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Date:	Sun, 13 Apr 2014 16:00:09 +0800
From:	Shawn Guo <shawn.guo@...escale.com>
To:	Duan Jiong <duanj.fnst@...fujitsu.com>
CC:	<kernel@...gutronix.de>, <linux@....linux.org.uk>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] serial: imx: replace IS_ERR and PTR_ERR with
 PTR_ERR_OR_ZERO

On Fri, Apr 11, 2014 at 04:38:42PM +0800, Duan Jiong wrote:
> This patch fixes coccinelle error regarding usage of IS_ERR and
> PTR_ERR instead of PTR_ERR_OR_ZERO.
> 
> Signed-off-by: Duan Jiong <duanj.fnst@...fujitsu.com>
> ---
>  arch/arm/mach-imx/mach-mx31moboard.c | 5 +----

You are patching a board file under arch/arm/mach-imx, but have the
patch prefixed with "serial:".  This is quite confusing.

You may want to just merge the change into the one you sent to change
mx31moboard-smartbot.c.

Shawn

>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c
> index 8f45afe..c05d711 100644
> --- a/arch/arm/mach-imx/mach-mx31moboard.c
> +++ b/arch/arm/mach-imx/mach-mx31moboard.c
> @@ -434,10 +434,7 @@ static int __init moboard_usbh2_init(void)
>  		return -ENODEV;
>  
>  	pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
> -	if (IS_ERR(pdev))
> -		return PTR_ERR(pdev);
> -
> -	return 0;
> +	return PTR_ERR_OR_ZERO(pdev);
>  }
>  
>  static const struct gpio_led mx31moboard_leds[] __initconst = {
> -- 
> 1.8.3.1
> 
> 
> 

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