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 4A971CCA482 for ; Wed, 8 Jun 2022 18:17:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236123AbiFHSRZ (ORCPT ); Wed, 8 Jun 2022 14:17:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234901AbiFHSOr (ORCPT ); Wed, 8 Jun 2022 14:14:47 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3711A2BD3 for ; Wed, 8 Jun 2022 11:14:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654712086; x=1686248086; h=date:from:to:cc:subject:message-id:mime-version; bh=zoVhbVSww6vgXA0XEhlME76soUKAgYb99ZfQdPe51Ys=; b=Hs0DOlwNGZnQigsVEKcTeGmOu3VGhoe8/RtWYEtTiegiK2PQg0/fmud3 qDJWzZVOtGFqztR8zPI6urOHhK4Jech+ie/0TIeOQm/mTF+r2rb/D8yPD ZlHfyyQePkCZBw8IcgvqCHI2tvtVa2KmAtLmv/TuL2sSm/e73cyCSp1b7 mlkmfzFk0FnbIoWRe8KenEvjcgUvD4MAHoO+EN9ihE3LkT+KmVIWD4ZEb kSoUA0YWbFXb7Zy50AAcDqUTyy5a/oIDSdLp0CMZzd+K9ZzqKin/5CRtb E62K/3fUC3O3BXB5ps2s1lyM0AgAiFC6vRFudwHtJXMncXU47uxEMwfOV A==; X-IronPort-AV: E=McAfee;i="6400,9594,10372"; a="341092827" X-IronPort-AV: E=Sophos;i="5.91,286,1647327600"; d="scan'208";a="341092827" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jun 2022 11:14:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,286,1647327600"; d="scan'208";a="555520428" Received: from lkp-server01.sh.intel.com (HELO 60dabacc1df6) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 08 Jun 2022 11:14:43 -0700 Received: from kbuild by 60dabacc1df6 with local (Exim 4.95) (envelope-from ) id 1nz0CY-000Esz-NX; Wed, 08 Jun 2022 18:14:42 +0000 Date: Thu, 9 Jun 2022 02:14:35 +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: <202206090102.3HEgdeVW-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Kees, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9886142c7a2226439c1e3f7d9b69f9c7094c3ef6 commit: fa7845cfd53f3b1d3f60efa55db89805595bc045 treewide: Replace open-coded flex arrays in unions date: 8 months ago config: arm-randconfig-c002-20220607 (https://download.01.org/0day-ci/archive/20220609/202206090102.3HEgdeVW-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b92436efcb7813fc481b30f2593a4907568d917a) 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 mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/mtd/spi-nor/ drivers/net/wireless/ath/ath10k/ drivers/nfc/nfcmrvl/ fs/quota/ If you fix the issue, kindly add following tag where applicable 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 https://01.org/lkp