From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751166AbeAAI1k (ORCPT + 1 other); Mon, 1 Jan 2018 03:27:40 -0500 Received: from mga06.intel.com ([134.134.136.31]:59990 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750748AbeAAI1j (ORCPT ); Mon, 1 Jan 2018 03:27:39 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,490,1508828400"; d="scan'208";a="191351361" Date: Mon, 1 Jan 2018 16:27:35 +0800 From: kbuild test robot To: Jason Wang Cc: kbuild-all@01.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, jbrouer@redhat.com, Jason Wang , Jesper Dangaard Brouer Subject: Re: [PATCH net-next 2/2] tuntap: XDP transmission Message-ID: <201801011602.CMcXzt1f%fengguang.wu@intel.com> References: <1514541604-12728-3-git-send-email-jasowang@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1514541604-12728-3-git-send-email-jasowang@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: Hi Jason, I love your patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Jason-Wang/XDP-transmission-for-tuntap/20180101-105946 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) vim +1274 drivers/net/tun.c 1270 1271 static void tun_xdp_flush(struct net_device *dev) 1272 { 1273 struct tun_struct *tun = netdev_priv(dev); > 1274 struct tun_file *tfile = tun->tfiles[0]; 1275 1276 /* Notify and wake up reader process */ 1277 if (tfile->flags & TUN_FASYNC) 1278 kill_fasync(&tfile->fasync, SIGIO, POLL_IN); 1279 tfile->socket.sk->sk_data_ready(tfile->socket.sk); 1280 } 1281 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation