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From: Stefan Schmidt <stefan@osg.samsung.com>
To: Alexander Aring <alex.aring@gmail.com>,
	linux-wpan@vger.kernel.org, netdev@vger.kernel.org,
	Marcel Holtmann <marcel@holtmann.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org,
	Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH] ieee802154-atusb: Delete an unnecessary check before the function call "kfree_skb"
Date: Tue, 17 Nov 2015 17:18:12 +0100	[thread overview]
Message-ID: <564B5344.1090200@osg.samsung.com> (raw)
In-Reply-To: <564B5327.4010307@osg.samsung.com>

Hello.

On 17/11/15 17:17, Stefan Schmidt wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Mon, 16 Nov 2015 13:50:23 +0100
>
> The kfree_skb() function tests whether its argument is NULL and then
> returns immediately. Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>  drivers/net/ieee802154/atusb.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ieee802154/atusb.c 
> b/drivers/net/ieee802154/atusb.c
> index 199a94a..b1cd865 100644
> --- a/drivers/net/ieee802154/atusb.c
> +++ b/drivers/net/ieee802154/atusb.c
> @@ -310,8 +310,7 @@ static void atusb_free_urbs(struct atusb *atusb)
>          urb = usb_get_from_anchor(&atusb->idle_urbs);
>          if (!urb)
>              break;
> -        if (urb->context)
> -            kfree_skb(urb->context);
> +        kfree_skb(urb->context);
>          usb_free_urb(urb);
>      }
>  }

Acked-by: Stefan Schmidt <stefan@osg.samsung.com>

regards
Stefan Schmidt

  reply	other threads:[~2015-11-17 16:18 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <5307CAA2.8060406@users.sourceforge.net>
     [not found] ` <alpine.DEB.2.02.1402212321410.2043@localhost6.localdomain6>
     [not found]   ` <530A086E.8010901@users.sourceforge.net>
     [not found]     ` <alpine.DEB.2.02.1402231635510.1985@localhost6.localdomain6>
     [not found]       ` <530A72AA.3000601@users.sourceforge.net>
     [not found]         ` <alpine.DEB.2.02.1402240658210.2090@localhost6.localdomain6>
     [not found]           ` <530B5FB6.6010207@users.sourceforge.net>
     [not found]             ` <alpine.DEB.2.10.1402241710370.2074@hadrien>
     [not found]               ` <530C5E18.1020800@users.sourceforge.net>
     [not found]                 ` <alpine.DEB.2.10.1402251014170.2080@hadrien>
     [not found]                   ` <530CD2C4.4050903@users.sourceforge.net>
     [not found]                     ` <alpine.DEB.2.10.1402251840450.7035@hadrien>
     [not found]                       ` <530CF8FF.8080600@users.sourceforge.net>
     [not found]                         ` <alpine.DEB.2.02.1402252117150.2047@localhost6.localdomain6>
     [not found]                           ` <530DD06F.4090703@users.sourceforge.net>
     [not found]                             ` <alpine.DEB.2.02.1402262129250.2221@localhost6.localdomain6>
     [not found]                               ` <5317A59D.4@users.sourceforge.net>
2015-11-14 19:27                                 ` [PATCH] mac802154: Delete an unnecessary check before the function call "kfree_skb" SF Markus Elfring
2015-11-15  0:20                                   ` Marcel Holtmann
2015-11-16 12:57                                 ` [PATCH] ieee802154-atusb: " SF Markus Elfring
2015-11-16 13:46                                   ` Stefan Schmidt
2015-11-17 14:01                                     ` Marcel Holtmann
2015-11-17 16:19                                       ` Stefan Schmidt
2015-11-17 16:17                                 ` Stefan Schmidt
2015-11-17 16:18                                   ` Stefan Schmidt [this message]
2015-12-10 10:14                                     ` Stefan Schmidt
2015-12-10 18:16                                       ` Marcel Holtmann
2015-12-10 22:45                                         ` Stefan Schmidt
2015-12-11 13:07                                         ` SF Markus Elfring
2015-12-11 13:21                                           ` Stefan Schmidt
2015-12-10 22:44 [PATCH] " Stefan Schmidt
2015-12-11  0:12 ` Marcel Holtmann

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