From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753151AbcGTCw4 (ORCPT ); Tue, 19 Jul 2016 22:52:56 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:42152 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753097AbcGTCwz (ORCPT ); Tue, 19 Jul 2016 22:52:55 -0400 Date: Tue, 19 Jul 2016 19:52:53 -0700 (PDT) Message-Id: <20160719.195253.2126109938824378508.davem@davemloft.net> To: decui@microsoft.com Cc: lkp@intel.com, kbuild-all@01.org, gregkh@linuxfoundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, jasowang@redhat.com, vkuznets@redhat.com, cavery@redhat.com, kys@microsoft.com, joe@perches.com, rolf.neugebauer@docker.com, mkubecek@suse.cz, haiyangz@microsoft.com, dave.scott@docker.com Subject: Re: [PATCH v17 net-next 1/1] hv_sock: introduce Hyper-V Sockets From: David Miller In-Reply-To: References: <201607200149.0W6994tY%fengguang.wu@intel.com> X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 19 Jul 2016 19:52:54 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dexuan Cui Date: Wed, 20 Jul 2016 01:48:18 +0000 >> From: kbuild test robot [mailto:lkp@intel.com] >> Sent: Wednesday, July 20, 2016 1:10 >> >> Hi, >> >> [auto build test WARNING on net-next/master] >> >> url: https://github.com/0day-ci/linux/commits/Dexuan-Cui/introduce- >> Hyper-V-VM-Sockets-hv_sock/20160715-223433 >> config: x86_64-randconfig-a0-07191719 (attached as .config) >> compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 >> reproduce: >> # save the attached .config to linux build tree >> make ARCH=x86_64 >> >> All warnings (new ones prefixed by >>): >> >> net/hv_sock/af_hvsock.c: In function 'hvsock_open_connection': >> net/hv_sock/af_hvsock.c:693: warning: 'hvsk' may be used uninitialized in >> this function >> net/hv_sock/af_hvsock.c:693: warning: 'new_hvsk' may be used >> uninitialized in this function >> net/hv_sock/af_hvsock.c:697: warning: 'new_sk' may be used uninitialized >> in this function >> net/hv_sock/af_hvsock.c: In function 'hvsock_sendmsg_wait': >> net/hv_sock/af_hvsock.c:1053: warning: 'ret' may be used uninitialized in >> this function >> >> net/hv_sock/af_hvsock.o: warning: objtool: hvsock_on_channel_cb()+0x1d: >> function has unreachable instruction > > These warnings are all false alarms. But you still have to quiet them.