From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D9B6C433EF for ; Fri, 22 Apr 2022 02:51:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380231AbiDVCye (ORCPT ); Thu, 21 Apr 2022 22:54:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229901AbiDVCyc (ORCPT ); Thu, 21 Apr 2022 22:54:32 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C28994C429; Thu, 21 Apr 2022 19:51:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650595900; x=1682131900; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=/EP0iWdKOEiGzPNvILshoCXIoQqdE97BuNJKc07nAWo=; b=T9m9RRwpv7jOjlFPtN/Yel1eUtEz/QlLobOL/dHeD85i8o4/YVado5sx C49cD9wwII2JnioPQcGgdeA7Dh9txY4i6S03U+txwndueIJ1kRiV5h1MV rkPaBYU+/vKP405knFROkIivJHrIe8k5PGynFgQf/0i/UUKdRr868MxLg 9igLo+PBqVX9dcJihBVC0lLn+B0mGIT5Vsj1R0aoSN80eRf/k1Mk1i041 TWrP9xmg0agzqGUdnUZORlcxUwuKsJ1+VDJoWmm+ub8V2GIPy7EueE0nd xOucic83O4I+H+yJCnEVKY1MqWGffxeMHH2MObo24YJB+S3gJFTJsBnGl Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10324"; a="264021688" X-IronPort-AV: E=Sophos;i="5.90,280,1643702400"; d="scan'208";a="264021688" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2022 19:51:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,280,1643702400"; d="scan'208";a="562856314" Received: from lkp-server01.sh.intel.com (HELO 3abc53900bec) ([10.239.97.150]) by fmsmga007.fm.intel.com with ESMTP; 21 Apr 2022 19:51:36 -0700 Received: from kbuild by 3abc53900bec with local (Exim 4.95) (envelope-from ) id 1nhjOR-00098z-QD; Fri, 22 Apr 2022 02:51:35 +0000 Date: Fri, 22 Apr 2022 10:51:17 +0800 From: kernel test robot To: Yu Zhe , mareklindner@neomailbox.ch, sw@simonwunderlich.de, a@unstable.cc, sven@narfation.org, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, b.a.t.m.a.n@lists.open-mesh.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, liqiong@nfschina.com, kernel-janitors@vger.kernel.org, Yu Zhe Subject: Re: [PATCH] batman-adv: remove unnecessary type castings Message-ID: <202204221034.hfPA4RPW-lkp@intel.com> References: <20220421154829.9775-1-yuzhe@nfschina.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220421154829.9775-1-yuzhe@nfschina.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi Yu, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.18-rc3 next-20220421] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Yu-Zhe/batman-adv-remove-unnecessary-type-castings/20220421-235254 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b253435746d9a4a701b5f09211b9c14d3370d0da config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220422/202204221034.hfPA4RPW-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5bd87350a5ae429baf8f373cb226a57b62f87280) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/2474b41c585e849d3546e0aba8f3c862735a04ff git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yu-Zhe/batman-adv-remove-unnecessary-type-castings/20220421-235254 git checkout 2474b41c585e849d3546e0aba8f3c862735a04ff # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/batman-adv/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> net/batman-adv/bridge_loop_avoidance.c:68:27: error: initializing 'struct batadv_bla_claim *' with an expression of type 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] struct batadv_bla_claim *claim = data; ^ ~~~~ 1 error generated. -- >> net/batman-adv/translation-table.c:109:5: error: assigning to 'struct batadv_tt_common_entry *' from 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] tt = data; ^ ~~~~ 1 error generated. vim +68 net/batman-adv/bridge_loop_avoidance.c 53 54 static void batadv_bla_periodic_work(struct work_struct *work); 55 static void 56 batadv_bla_send_announce(struct batadv_priv *bat_priv, 57 struct batadv_bla_backbone_gw *backbone_gw); 58 59 /** 60 * batadv_choose_claim() - choose the right bucket for a claim. 61 * @data: data to hash 62 * @size: size of the hash table 63 * 64 * Return: the hash index of the claim 65 */ 66 static inline u32 batadv_choose_claim(const void *data, u32 size) 67 { > 68 struct batadv_bla_claim *claim = data; 69 u32 hash = 0; 70 71 hash = jhash(&claim->addr, sizeof(claim->addr), hash); 72 hash = jhash(&claim->vid, sizeof(claim->vid), hash); 73 74 return hash % size; 75 } 76 -- 0-DAY CI Kernel Test Service https://01.org/lkp