From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] tun: fix build warnings Date: Mon, 04 Jul 2016 17:19:45 -0700 (PDT) Message-ID: <20160704.171945.1411429111917733524.davem@davemloft.net> References: <1467611618-4046-1-git-send-email-jasowang@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, sfr@canb.auug.org.au To: jasowang@redhat.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:52232 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753968AbcGEATq (ORCPT ); Mon, 4 Jul 2016 20:19:46 -0400 In-Reply-To: <1467611618-4046-1-git-send-email-jasowang@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Jason Wang Date: Mon, 4 Jul 2016 13:53:38 +0800 > Stephen Rothwell reports a build warnings(powerpc ppc64_defconfig) > > drivers/net/tun.c: In function 'tun_do_read.part.5': > /home/sfr/next/next/drivers/net/tun.c:1491:6: warning: 'err' may be > used uninitialized in this function [-Wmaybe-uninitialized] > int err; > > This is because tun_ring_recv() may return an uninitialized err, fix this. > > Reported-by: Stephen Rothwell > Signed-off-by: Jason Wang Applied, thanks Jason.