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 69C30C433EF for ; Fri, 22 Apr 2022 02:41:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443479AbiDVCof (ORCPT ); Thu, 21 Apr 2022 22:44:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1443464AbiDVCod (ORCPT ); Thu, 21 Apr 2022 22:44:33 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 326DB4C426; Thu, 21 Apr 2022 19:41:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650595300; x=1682131300; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ziHABANE59wRolQJClZuDMbt1HuNA/mx2V8HeNMrpkM=; b=Ql1FTKJtwodtMO+qh3i4hKx/UeOdNhm2Yfcy6bAVOw64ZaVCmodRx8W/ +w/r3pjP02blguIZRDUAnDO040LaHyR0oL0Wuip4CFwGBSNenCPvAHvMB KHODCtT4S66MkUAOxY4O9Rf9GkBiy1H+uOvYt0xjO2OVfCwfCOsP8G5AU DNsm2ZDgRbcA8snWZ//C9GsFU/yx06FCLFKM38RVL4rectiW/UfZ1wnNt m6iOY25vQWALTQd0ESIv/Z0aMtY7gvkL6iWBG7DLQsvJpgku6lFi0kjFX k+iDDXCnK7aDBcnozXrevZjT9pzTDt7PxgIKyy3EgecDKxaU9Cq2s0095 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10324"; a="245122193" X-IronPort-AV: E=Sophos;i="5.90,280,1643702400"; d="scan'208";a="245122193" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2022 19:41:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,280,1643702400"; d="scan'208";a="511375279" Received: from lkp-server01.sh.intel.com (HELO 3abc53900bec) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 21 Apr 2022 19:41:35 -0700 Received: from kbuild by 3abc53900bec with local (Exim 4.95) (envelope-from ) id 1nhjEl-00097y-7D; Fri, 22 Apr 2022 02:41:35 +0000 Date: Fri, 22 Apr 2022 10:41:00 +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: 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: <202204221051.PRtLc0f7-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: linux-kernel@vger.kernel.org Hi Yu, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING 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: x86_64-randconfig-a013 (https://download.01.org/0day-ci/archive/20220422/202204221051.PRtLc0f7-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce (this is a W=1 build): # 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 make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/batman-adv/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): net/batman-adv/bridge_loop_avoidance.c: In function 'batadv_choose_claim': >> net/batman-adv/bridge_loop_avoidance.c:68:42: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 68 | struct batadv_bla_claim *claim = data; | ^~~~ -- net/batman-adv/translation-table.c: In function 'batadv_choose_tt': >> net/batman-adv/translation-table.c:109:12: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 109 | tt = data; | ^ vim +/const +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