linux-kernel - Re: [PATCH] usb: typec: fix ptr

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Message-ID: <20170210151708.GA19421@kuha.fi.intel.com>
Date:   Fri, 10 Feb 2017 17:17:08 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, Greg KH <gregkh@...uxfoundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Oliver Neukum <oneukum@...e.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH] usb: typec: fix ptr_ret.cocci warnings

On Tue, Jan 31, 2017 at 01:38:34AM +0800, kbuild test robot wrote:
> drivers/usb/typec/typec.c:1249:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> 
> 
>  Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
> 
> Generated by: scripts/coccinelle/api/ptr_ret.cocci
> 
> CC: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
> ---
> 
>  typec.c |    4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> --- a/drivers/usb/typec/typec.c
> +++ b/drivers/usb/typec/typec.c
> @@ -1246,9 +1246,7 @@ EXPORT_SYMBOL_GPL(typec_unregister_port)
>  static int __init typec_init(void)
>  {
>  	typec_class = class_create(THIS_MODULE, "typec");
> -	if (IS_ERR(typec_class))
> -		return PTR_ERR(typec_class);
> -	return 0;
> +	return PTR_ERR_OR_ZERO(typec_class);

Thanks kbuild test robot. I'll fix that.

-- 
heikki