From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (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 7032C256C for ; Mon, 22 Aug 2022 14:45:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1661179547; x=1692715547; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=SoEASToC8Lg7LTAIRzKTjzRxmyACvRFQA1v66YGhhoQ=; b=C0qktZQldaHxhlWoEtzuImNvoZh4jFUoomhYIR1IAdbZNl/S7klYKgbm yBIaXjA3lBZTPgpHH+bQP41zxD3tQK+JdUECHF5IOftsF5zgAZd6WG/vS AOJDq56Pwf2Kl23HdEGvh8tFx7yaqG099rLO2tgpKJZwK5JzSQ8ZRkzkE dEw+EdyT8rslPWL15kAduhhSvndO4JDTBAM3TKZu8nJSF9kqymnYJsxCX E/xPLidoyLBH+n4Km86a8NDAacnrrGGnNqO/7yi5H+eEV8D1wGTOczAj+ e0KIW1RXZl5kZS3L6Ypn3UApWXP2vfI9qwmU+Z/oUqTK+nIOtSRnoSxqP A==; X-IronPort-AV: E=McAfee;i="6500,9779,10447"; a="273184422" X-IronPort-AV: E=Sophos;i="5.93,255,1654585200"; d="scan'208";a="273184422" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Aug 2022 07:45:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,255,1654585200"; d="scan'208";a="677235022" Received: from lkp-server01.sh.intel.com (HELO dd9b29378baa) ([10.239.97.150]) by fmsmga004.fm.intel.com with ESMTP; 22 Aug 2022 07:45:44 -0700 Received: from kbuild by dd9b29378baa with local (Exim 4.96) (envelope-from ) id 1oQ8gS-0000K0-0s; Mon, 22 Aug 2022 14:45:44 +0000 Date: Mon, 22 Aug 2022 22:45:37 +0800 From: kernel test robot To: Jeff Johnson , Andy Gross , Bjorn Andersson , Konrad Dybcio Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Jeff Johnson Subject: Re: [PATCH] soc: qcom: qmi: use const for struct qmi_elem_info Message-ID: <202208222238.2bPtxE6h-lkp@intel.com> References: <20220822064648.30794-1-quic_jjohnson@quicinc.com> Precedence: bulk X-Mailing-List: llvm@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: <20220822064648.30794-1-quic_jjohnson@quicinc.com> Hi Jeff, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v6.0-rc2 next-20220822] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jeff-Johnson/soc-qcom-qmi-use-const-for-struct-qmi_elem_info/20220822-144905 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1c23f9e627a7b412978b4e852793c5e3c3efc555 config: mips-buildonly-randconfig-r002-20220821 (https://download.01.org/0day-ci/archive/20220822/202208222238.2bPtxE6h-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project abce7acebd4c06c977bc4bd79170697f1122bc5e) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/84f0de3071b40fad5e5a48ad27b16ce28f9210fb git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jeff-Johnson/soc-qcom-qmi-use-const-for-struct-qmi_elem_info/20220822-144905 git checkout 84f0de3071b40fad5e5a48ad27b16ce28f9210fb # 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=mips SHELL=/bin/bash drivers/soc/qcom/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/soc/qcom/qmi_encdec.c:94:9: error: returning 'const struct qmi_elem_info *' from a function with result type 'struct qmi_elem_info *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] return temp_ei; ^~~~~~~ 1 error generated. vim +94 drivers/soc/qcom/qmi_encdec.c 9b8a11e82615274 Bjorn Andersson 2017-12-05 59 84f0de3071b40fa Jeff Johnson 2022-08-21 60 static int qmi_encode(const struct qmi_elem_info *ei_array, void *out_buf, 9b8a11e82615274 Bjorn Andersson 2017-12-05 61 const void *in_c_struct, u32 out_buf_len, 9b8a11e82615274 Bjorn Andersson 2017-12-05 62 int enc_level); 9b8a11e82615274 Bjorn Andersson 2017-12-05 63 84f0de3071b40fa Jeff Johnson 2022-08-21 64 static int qmi_decode(const struct qmi_elem_info *ei_array, void *out_c_struct, 9b8a11e82615274 Bjorn Andersson 2017-12-05 65 const void *in_buf, u32 in_buf_len, int dec_level); 9b8a11e82615274 Bjorn Andersson 2017-12-05 66 9b8a11e82615274 Bjorn Andersson 2017-12-05 67 /** 9b8a11e82615274 Bjorn Andersson 2017-12-05 68 * skip_to_next_elem() - Skip to next element in the structure to be encoded 9b8a11e82615274 Bjorn Andersson 2017-12-05 69 * @ei_array: Struct info describing the element to be skipped. 9b8a11e82615274 Bjorn Andersson 2017-12-05 70 * @level: Depth level of encoding/decoding to identify nested structures. 9b8a11e82615274 Bjorn Andersson 2017-12-05 71 * 9b8a11e82615274 Bjorn Andersson 2017-12-05 72 * This function is used while encoding optional elements. If the flag 9b8a11e82615274 Bjorn Andersson 2017-12-05 73 * corresponding to an optional element is not set, then encoding the 9b8a11e82615274 Bjorn Andersson 2017-12-05 74 * optional element can be skipped. This function can be used to perform 9b8a11e82615274 Bjorn Andersson 2017-12-05 75 * that operation. 9b8a11e82615274 Bjorn Andersson 2017-12-05 76 * 9b8a11e82615274 Bjorn Andersson 2017-12-05 77 * Return: struct info of the next element that can be encoded. 9b8a11e82615274 Bjorn Andersson 2017-12-05 78 */ 84f0de3071b40fa Jeff Johnson 2022-08-21 79 static struct qmi_elem_info *skip_to_next_elem(const struct qmi_elem_info *ei_array, 9b8a11e82615274 Bjorn Andersson 2017-12-05 80 int level) 9b8a11e82615274 Bjorn Andersson 2017-12-05 81 { 84f0de3071b40fa Jeff Johnson 2022-08-21 82 const struct qmi_elem_info *temp_ei = ei_array; 9b8a11e82615274 Bjorn Andersson 2017-12-05 83 u8 tlv_type; 9b8a11e82615274 Bjorn Andersson 2017-12-05 84 9b8a11e82615274 Bjorn Andersson 2017-12-05 85 if (level > 1) { 9b8a11e82615274 Bjorn Andersson 2017-12-05 86 temp_ei = temp_ei + 1; 9b8a11e82615274 Bjorn Andersson 2017-12-05 87 } else { 9b8a11e82615274 Bjorn Andersson 2017-12-05 88 do { 9b8a11e82615274 Bjorn Andersson 2017-12-05 89 tlv_type = temp_ei->tlv_type; 9b8a11e82615274 Bjorn Andersson 2017-12-05 90 temp_ei = temp_ei + 1; 9b8a11e82615274 Bjorn Andersson 2017-12-05 91 } while (tlv_type == temp_ei->tlv_type); 9b8a11e82615274 Bjorn Andersson 2017-12-05 92 } 9b8a11e82615274 Bjorn Andersson 2017-12-05 93 9b8a11e82615274 Bjorn Andersson 2017-12-05 @94 return temp_ei; 9b8a11e82615274 Bjorn Andersson 2017-12-05 95 } 9b8a11e82615274 Bjorn Andersson 2017-12-05 96 -- 0-DAY CI Kernel Test Service https://01.org/lkp