From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64E03A3B for ; Wed, 27 Apr 2022 13:29:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651066170; x=1682602170; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=RD/f8s8pwgP2KTbih7vhM2nJQJi9IktRqFayz+wC+dc=; b=Ln3rgkOBcgzpgUV+QLfueHGemnyo2lEaff1Iz3QxvVnyZ8HSTUWvo5Us /oFP7Oa1IimVguOTO5TAuzA1ZdKr5Kt8lZIcBjcMRIqrJCZajeuLeg4oG MnnEDP7ItdWR8sXuuC/wdqW3zdtFDP6UydHjwr2iSWkki/BkMhNWQu/PE u9FAOtiqtzPBKK6KlxcBbQv5Q7fZ6X4ZsQTA3WYtpD7HgooWoH7Mnbj/+ YHbjfSSJvJgbLYb28Hk50rwCBBuRcybrrMh9BmdiMmTdwMy/l3ReLFyT/ VaGD09imVab1shaZGkIUVER0sCCSgJTqT1jE4ULXKzBJaUtBova8CYEA0 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10329"; a="266088024" X-IronPort-AV: E=Sophos;i="5.90,293,1643702400"; d="scan'208";a="266088024" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Apr 2022 06:29:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,293,1643702400"; d="scan'208";a="513683360" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 27 Apr 2022 06:29:28 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1njhjT-0004gI-KG; Wed, 27 Apr 2022 13:29:27 +0000 Date: Wed, 27 Apr 2022 21:29:15 +0800 From: kernel test robot To: Geliang Tang , mptcp@lists.linux.dev Cc: kbuild-all@lists.01.org, Geliang Tang Subject: Re: [PATCH mptcp-next v16 6/8] mptcp: add bpf_mptcp_sched_ops Message-ID: <202204272125.AiqJUAjR-lkp@intel.com> References: <8ac278434203662add804d00e007c2cb2b6f52e4.1651024344.git.geliang.tang@suse.com> Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8ac278434203662add804d00e007c2cb2b6f52e4.1651024344.git.geliang.tang@suse.com> Hi Geliang, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on mptcp/export] [cannot apply to bpf-next/master bpf/master linus/master v5.18-rc4 next-20220427] [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/Geliang-Tang/BPF-packet-scheduler/20220427-095943 base: https://github.com/multipath-tcp/mptcp_net-next.git export config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220427/202204272125.AiqJUAjR-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot smatch warnings: net/mptcp/bpf.c:148 bpf_mptcp_sched_init() warn: unsigned 'mptcp_sched_id' is never less than zero. vim +/mptcp_sched_id +148 net/mptcp/bpf.c 143 144 static int bpf_mptcp_sched_init(struct btf *btf) 145 { 146 mptcp_sched_id = btf_find_by_name_kind(btf, "mptcp_sched_data", 147 BTF_KIND_STRUCT); > 148 if (mptcp_sched_id < 0) 149 return -EINVAL; 150 mptcp_sched_type = btf_type_by_id(btf, mptcp_sched_id); 151 152 return 0; 153 } 154 -- 0-DAY CI Kernel Test Service https://01.org/lkp