From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: Re: [PATCH 03/10] net/virtio: fix compilation with -Og Date: Fri, 6 Oct 2017 19:43:10 +0100 Message-ID: <9b6787da-1879-2ec3-aab6-655d92504d88@intel.com> References: <20170911151333.5727-1-olivier.matz@6wind.com> <20170911151333.5727-4-olivier.matz@6wind.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit To: Maxime Coquelin , Olivier Matz , dev@dpdk.org 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) In-Reply-To: Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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.