From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id C7E2A1B256 for ; Fri, 6 Oct 2017 20:43:13 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga105.fm.intel.com with ESMTP; 06 Oct 2017 11:43:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,484,1500966000"; d="scan'208";a="907519435" Received: from unknown (HELO [10.241.225.2]) ([10.241.225.2]) by FMSMGA003.fm.intel.com with ESMTP; 06 Oct 2017 11:43:10 -0700 To: Maxime Coquelin , Olivier Matz , dev@dpdk.org References: <20170911151333.5727-1-olivier.matz@6wind.com> <20170911151333.5727-4-olivier.matz@6wind.com> From: Ferruh Yigit Message-ID: <9b6787da-1879-2ec3-aab6-655d92504d88@intel.com> Date: Fri, 6 Oct 2017 19:43:10 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH 03/10] net/virtio: fix compilation with -Og X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Oct 2017 18:43:14 -0000 On 10/6/2017 7:43 AM, Maxime Coquelin wrote: > > > On 09/11/2017 05:13 PM, Olivier Matz wrote: >> The compilation with gcc-6.3.0 and EXTRA_CFLAGS=-Og gives the following >> error: >> >> CC virtio_rxtx.o >> virtio_rxtx.c: In function ‘virtio_rx_offload’: >> virtio_rxtx.c:680:10: error: ‘csum’ may be used uninitialized in >> this function [-Werror=maybe-uninitialized] >> csum = ~csum; >> ~~~~~^~~~~~~ >> >> The function rte_raw_cksum_mbuf() may indeed return an error, and >> in this case, csum won't be initialized. Fix it by initializing csum >> to 0. >> >> Fixes: 96cb6711939e ("net/virtio: support Rx checksum offload") >> Signed-off-by: Olivier Matz > Reviewed-by: Maxime Coquelin Applied to dpdk-next-net/master, thanks.