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 EA092C433EF for ; Mon, 27 Dec 2021 19:20:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232314AbhL0TUg (ORCPT ); Mon, 27 Dec 2021 14:20:36 -0500 Received: from mga14.intel.com ([192.55.52.115]:3079 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229581AbhL0TUf (ORCPT ); Mon, 27 Dec 2021 14:20:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1640632835; x=1672168835; h=date:from:to:cc:subject:message-id:mime-version; bh=5qPmzy9sn+NRM9Zgy3Od0b1mCgeekHEPWxTmGO+1g28=; b=bu8QlL5bWX4Znxt38uwSr8E0C3CypFLXc0HyRC1RjjnywDOLt63G/Uye G3WwCZexHpPdiUfj6NE/ZO0UlG+9TsRFKWOa+4xmoGBcY1l5ZIAXnqduG /E+O+VYYpLUpXd6QJq4tFcpUugwck4OJgrkE9RMLL7BLofGdFUNlqj6Tj UwFS3nquKpNiKaQPGT353Erw/inxpaF6Q9xG6O45mckw4IFoi9UxWmSqg 7e06H6v5loVDWN4zyEcc8z3KVliAvqVTGQY1Tip2xMgyFWrhRm2ZIix4u PwGj5fAAUdk+JpyI2FcvCNJ0JI0ld1Ylz13uJp12mOuBKph4IhYrVuVmy w==; X-IronPort-AV: E=McAfee;i="6200,9189,10210"; a="241475617" X-IronPort-AV: E=Sophos;i="5.88,240,1635231600"; d="scan'208";a="241475617" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Dec 2021 11:20:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,240,1635231600"; d="scan'208";a="686375600" Received: from lkp-server01.sh.intel.com (HELO e357b3ef1427) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 27 Dec 2021 11:20:33 -0800 Received: from kbuild by e357b3ef1427 with local (Exim 4.92) (envelope-from ) id 1n1vXt-0006ir-8b; Mon, 27 Dec 2021 19:20:33 +0000 Date: Tue, 28 Dec 2021 03:19:59 +0800 From: kernel test robot To: Atish Patra Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Atish Patra , linux-kernel@vger.kernel.org Subject: [atishp04:isa_ext_support 3/4] arch/riscv/kernel/cpufeature.c:82:24: warning: address of array 'edata->dtprop' will always evaluate to 'true' Message-ID: <202112280309.fgjGevFd-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/atishp04/linux isa_ext_support head: cf2f3fa532aa7c672f681ca0685046c738bfb45f commit: ae97a995345b68c472f3a904fc8fbefaa97ae26a [3/4] RISC-V: Provide a framework for parsing multi-letter ISA extensions config: riscv-randconfig-c006-20211226 (https://download.01.org/0day-ci/archive/20211228/202112280309.fgjGevFd-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 0c553cc1af2e4c14100df6cf4a6fc91987e778e6) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/atishp04/linux/commit/ae97a995345b68c472f3a904fc8fbefaa97ae26a git remote add atishp04 https://github.com/atishp04/linux git fetch --no-tags atishp04 isa_ext_support git checkout ae97a995345b68c472f3a904fc8fbefaa97ae26a # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/riscv/kernel/cpufeature.c:82:24: warning: address of array 'edata->dtprop' will always evaluate to 'true' [-Wpointer-bool-conversion] if (!edata || !edata->dtprop) ~~~~~~~~^~~~~~ 1 warning generated. vim +82 arch/riscv/kernel/cpufeature.c 76 77 int riscv_isa_ext_list_add(struct riscv_isa_ext_data *edata) 78 { 79 struct device_node *node, *enode; 80 int eid; 81 > 82 if (!edata || !edata->dtprop) 83 return -EINVAL; 84 85 node = of_find_node_by_path("/cpus"); 86 if (!node) { 87 pr_err("No CPU information found in DT\n"); 88 return -ENOENT; 89 } 90 91 enode = of_get_child_by_name(node, "riscv,isa-ext"); 92 if (!enode) { 93 pr_err("No riscv-isa-ext found in DT\n"); 94 return -ENOENT; 95 } 96 97 eid = edata->isa_ext_id; 98 if (eid < RISCV_ISA_EXT_BASE || eid >= RISCV_ISA_EXT_MAX) 99 return -EINVAL; 100 101 if (!of_property_read_bool(enode, edata->dtprop)) { 102 pr_err("The ISA extension %s is not present in DT\n", edata->dtprop); 103 return -ENODEV; 104 } 105 106 /* Enable the extension id in the riscv_isa for easier probing */ 107 riscv_isa[0] |= 1 << eid; 108 list_add(&edata->node, &riscv_isa_ext_list); 109 pr_info("RISC-V ISA extension '%s' available\n", edata->uprop); 110 111 return 0; 112 } 113 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org