From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: Re: [PATCH 08/10] lpm6: fix compilation with -Og Date: Thu, 26 Oct 2017 11:54:37 -0700 Message-ID: <7bd492df-df42-385d-2729-85ac8978b9f7@intel.com> References: <20170911151333.5727-1-olivier.matz@6wind.com> <20170911151333.5727-9-olivier.matz@6wind.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit To: Olivier Matz , dev@dpdk.org Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 26ECC1BB2C for ; Thu, 26 Oct 2017 20:54:38 +0200 (CEST) In-Reply-To: <20170911151333.5727-9-olivier.matz@6wind.com> 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 9/11/2017 8:13 AM, Olivier Matz wrote: > The compilation with gcc-6.3.0 and EXTRA_CFLAGS=-Og gives the following > error: > > CC rte_lpm6.o > rte_lpm6.c: In function ‘rte_lpm6_add_v1705’: > rte_lpm6.c:442:11: error: ‘tbl_next’ may be used uninitialized in > this function [-Werror=maybe-uninitialized] > if (!tbl[tbl_index].valid) { > ^ > rte_lpm6.c:521:29: note: ‘tbl_next’ was declared here > struct rte_lpm6_tbl_entry *tbl_next; > ^~~~~~~~ > > This is a false positive from gcc. Fix it by initializing tbl_next > to NULL. > > Signed-off-by: Olivier Matz > Acked-by: Bruce Richardson Applied to dpdk-next-net/master, thanks.