From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH] ieee802154-atusb: Delete an unnecessary check before the function call "kfree_skb" Date: Mon, 16 Nov 2015 13:57:18 +0100 Message-ID: <5649D2AE.60100@users.sourceforge.net> References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 7bit Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall To: Alexander Aring , Stefan Schmidt , linux-wpan@vger.kernel.org, netdev@vger.kernel.org Return-path: Received: from mout.web.de ([212.227.17.11]:62907 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752425AbbKPM5h (ORCPT ); Mon, 16 Nov 2015 07:57:37 -0500 In-Reply-To: <5317A59D.4@users.sourceforge.net> Sender: netdev-owner@vger.kernel.org List-ID: From: Markus Elfring 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 --- 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); } } -- 2.6.2