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 3822BC433F5 for ; Thu, 27 Jan 2022 20:41:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344084AbiA0UlX (ORCPT ); Thu, 27 Jan 2022 15:41:23 -0500 Received: from mga07.intel.com ([134.134.136.100]:45677 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238844AbiA0UlU (ORCPT ); Thu, 27 Jan 2022 15:41:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643316080; x=1674852080; h=date:from:to:cc:subject:message-id:mime-version; bh=LG+hS2VdrRD35YyOdC7esEnbEaYkmVRKyYKMmjYwd/4=; b=RVM5I1j7mlVHKLOL8juG9LLUcvXG8qIEsozn0Xso8MZad/uFsslWvMza asDSxBTIk1YW1gqUviPZMRr0sC0u5eSW+3DPu/X0bRt1h+bJCGc1vJiUo rf6IYyr6Xd+IcnqGm3JDlkNxWuJDGE53W8fIDQ5DzAlaSx9KnouesRN4Q 4rGAKmfGUQTDbIEapdbREh4Un5baRx2EvZyfXopKvvCDXL4HxosjCITOl 5VNRfCKQdKUsXWIdC7JrA19LQQ5bTg+T4sqgWdkx33So7xKLYzt33nim9 iBPXo80gvD6DQXYauETA0iGtGhbc26hwVBHW82DeoekACUh+x/dKW3CNb w==; X-IronPort-AV: E=McAfee;i="6200,9189,10239"; a="310272931" X-IronPort-AV: E=Sophos;i="5.88,321,1635231600"; d="scan'208";a="310272931" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2022 12:41:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,321,1635231600"; d="scan'208";a="628838017" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 27 Jan 2022 12:41:17 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nDBa0-000N1X-D4; Thu, 27 Jan 2022 20:41:16 +0000 Date: Fri, 28 Jan 2022 04:40:22 +0800 From: kernel test robot To: Kees Cook Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: drivers/net/wireless/ath/ath10k/htt.h:1677:2: warning: field within 'struct htt_tx_fetch_ind' is less aligned than 'union htt_tx_fetch_ind::(anonymous at drivers/net/wireless/ath/ath10k/htt.h:1677:2)' and is usually due to 'struct htt_tx_fetch_ind' being... Message-ID: <202201280415.ofyFUB4M-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 626b2dda7651a7c766108db4cdc0825db05b980d commit: fa7845cfd53f3b1d3f60efa55db89805595bc045 treewide: Replace open-coded flex arrays in unions date: 3 months ago config: arm-buildonly-randconfig-r002-20220127 (https://download.01.org/0day-ci/archive/20220128/202201280415.ofyFUB4M-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f400a6012c668dfaa73462caf067ceb074e66c47) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fa7845cfd53f3b1d3f60efa55db89805595bc045 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout fa7845cfd53f3b1d3f60efa55db89805595bc045 # 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=arm SHELL=/bin/bash drivers/net/wireless/ath/ath10k/ drivers/pci/controller/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from drivers/net/wireless/ath/ath10k/mac.c:8: In file included from drivers/net/wireless/ath/ath10k/mac.h:11: In file included from drivers/net/wireless/ath/ath10k/core.h:18: drivers/net/wireless/ath/ath10k/htt.h:721:34: warning: field prefix within 'struct htt_rx_indication' is less aligned than 'struct htt_rx_indication_prefix' and is usually due to 'struct htt_rx_indication' being packed, which can lead to unaligned accesses [-Wunaligned-access] struct htt_rx_indication_prefix prefix; ^ drivers/net/wireless/ath/ath10k/htt.h:742:34: warning: field prefix within 'struct htt_rx_indication_hl' is less aligned than 'struct htt_rx_indication_prefix' and is usually due to 'struct htt_rx_indication_hl' being packed, which can lead to unaligned accesses [-Wunaligned-access] struct htt_rx_indication_prefix prefix; ^ >> drivers/net/wireless/ath/ath10k/htt.h:1677:2: warning: field within 'struct htt_tx_fetch_ind' is less aligned than 'union htt_tx_fetch_ind::(anonymous at drivers/net/wireless/ath/ath10k/htt.h:1677:2)' and is usually due to 'struct htt_tx_fetch_ind' being packed, which can lead to unaligned accesses [-Wunaligned-access] union { ^ drivers/net/wireless/ath/ath10k/htt.h:1815:2: warning: field within 'struct htt_resp' is less aligned than 'union htt_resp::(anonymous at drivers/net/wireless/ath/ath10k/htt.h:1815:2)' and is usually due to 'struct htt_resp' being packed, which can lead to unaligned accesses [-Wunaligned-access] union { ^ drivers/net/wireless/ath/ath10k/mac.c:5942:22: warning: parameter 'changed_flags' set but not used [-Wunused-but-set-parameter] unsigned int changed_flags, ^ 5 warnings generated. -- In file included from drivers/net/wireless/ath/ath10k/debug.c:14: In file included from drivers/net/wireless/ath/ath10k/core.h:18: drivers/net/wireless/ath/ath10k/htt.h:721:34: warning: field prefix within 'struct htt_rx_indication' is less aligned than 'struct htt_rx_indication_prefix' and is usually due to 'struct htt_rx_indication' being packed, which can lead to unaligned accesses [-Wunaligned-access] struct htt_rx_indication_prefix prefix; ^ drivers/net/wireless/ath/ath10k/htt.h:742:34: warning: field prefix within 'struct htt_rx_indication_hl' is less aligned than 'struct htt_rx_indication_prefix' and is usually due to 'struct htt_rx_indication_hl' being packed, which can lead to unaligned accesses [-Wunaligned-access] struct htt_rx_indication_prefix prefix; ^ >> drivers/net/wireless/ath/ath10k/htt.h:1677:2: warning: field within 'struct htt_tx_fetch_ind' is less aligned than 'union htt_tx_fetch_ind::(anonymous at drivers/net/wireless/ath/ath10k/htt.h:1677:2)' and is usually due to 'struct htt_tx_fetch_ind' being packed, which can lead to unaligned accesses [-Wunaligned-access] union { ^ drivers/net/wireless/ath/ath10k/htt.h:1815:2: warning: field within 'struct htt_resp' is less aligned than 'union htt_resp::(anonymous at drivers/net/wireless/ath/ath10k/htt.h:1815:2)' and is usually due to 'struct htt_resp' being packed, which can lead to unaligned accesses [-Wunaligned-access] union { ^ 4 warnings generated. -- In file included from drivers/net/wireless/ath/ath10k/ce.c:8: In file included from drivers/net/wireless/ath/ath10k/hif.h:11: In file included from drivers/net/wireless/ath/ath10k/core.h:18: drivers/net/wireless/ath/ath10k/htt.h:721:34: warning: field prefix within 'struct htt_rx_indication' is less aligned than 'struct htt_rx_indication_prefix' and is usually due to 'struct htt_rx_indication' being packed, which can lead to unaligned accesses [-Wunaligned-access] struct htt_rx_indication_prefix prefix; ^ drivers/net/wireless/ath/ath10k/htt.h:742:34: warning: field prefix within 'struct htt_rx_indication_hl' is less aligned than 'struct htt_rx_indication_prefix' and is usually due to 'struct htt_rx_indication_hl' being packed, which can lead to unaligned accesses [-Wunaligned-access] struct htt_rx_indication_prefix prefix; ^ >> drivers/net/wireless/ath/ath10k/htt.h:1677:2: warning: field within 'struct htt_tx_fetch_ind' is less aligned than 'union htt_tx_fetch_ind::(anonymous at drivers/net/wireless/ath/ath10k/htt.h:1677:2)' and is usually due to 'struct htt_tx_fetch_ind' being packed, which can lead to unaligned accesses [-Wunaligned-access] union { ^ drivers/net/wireless/ath/ath10k/htt.h:1815:2: warning: field within 'struct htt_resp' is less aligned than 'union htt_resp::(anonymous at drivers/net/wireless/ath/ath10k/htt.h:1815:2)' and is usually due to 'struct htt_resp' being packed, which can lead to unaligned accesses [-Wunaligned-access] union { ^ drivers/net/wireless/ath/ath10k/ce.c:127:1: warning: unused function 'ath10k_get_ring_byte' [-Wunused-function] ath10k_get_ring_byte(unsigned int offset, ^ drivers/net/wireless/ath/ath10k/ce.c:212:1: warning: unused function 'ath10k_ce_shadow_dest_ring_write_index_set' [-Wunused-function] ath10k_ce_shadow_dest_ring_write_index_set(struct ath10k *ar, ^ drivers/net/wireless/ath/ath10k/ce.c:449:20: warning: unused function 'ath10k_ce_error_intr_enable' [-Wunused-function] static inline void ath10k_ce_error_intr_enable(struct ath10k *ar, ^ 7 warnings generated. vim +1677 drivers/net/wireless/ath/ath10k/htt.h 1670 1671 struct htt_tx_fetch_ind { 1672 u8 pad0; 1673 __le16 fetch_seq_num; 1674 __le32 token; 1675 __le16 num_resp_ids; 1676 __le16 num_records; > 1677 union { 1678 /* ath10k_htt_get_tx_fetch_ind_resp_ids() */ 1679 DECLARE_FLEX_ARRAY(__le32, resp_ids); 1680 DECLARE_FLEX_ARRAY(struct htt_tx_fetch_record, records); 1681 }; 1682 } __packed; 1683 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org