From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) (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 67E7029115; Fri, 26 May 2023 19:58:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1685131126; x=1716667126; h=date:from:to:cc:subject:message-id:mime-version; bh=M1BzhZ/UHvP1tH65pvSNNevwxU0JTiJJtGUsx9A/6R8=; b=g6CIhU11+sWE5j/Jm/NZe9r+uIgPFfw7zBgvEIiN8i30NvFU1lPUiZi0 X0HrYfPzUigO05F8B/efFJ9GMLL10Mr3cvYrYXz+KxYZ54hmO5SrG1NjE 139dcbChzWLBTgItZ1pGP62cblf+NxUjXikFUiU+PLUf4B3KpSisizw29 iJxIdVfFvAzQv2L9LOb3r5Y3XaHRLnKRvVvWSHoc2a/f7+oF8PI0z3w2O DjBPmQBuS1Zn17bt8+jqq5qMOyUy3+k4kTLK6jeCoOlwBavdOn9znZV+y TE9qTiCjL91nLaOlA2v+lX7t+tHMneOkClOeIQHjPBV3C1wKRWuvWYwAA Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10722"; a="417773744" X-IronPort-AV: E=Sophos;i="6.00,195,1681196400"; d="scan'208";a="417773744" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 May 2023 12:58:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10722"; a="682829053" X-IronPort-AV: E=Sophos;i="6.00,195,1681196400"; d="scan'208";a="682829053" Received: from lkp-server01.sh.intel.com (HELO dea6d5a4f140) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 26 May 2023 12:58:43 -0700 Received: from kbuild by dea6d5a4f140 with local (Exim 4.96) (envelope-from ) id 1q2daE-000JZO-1V; Fri, 26 May 2023 19:58:42 +0000 Date: Sat, 27 May 2023 03:58:20 +0800 From: kernel test robot To: Christoph =?iso-8859-1?Q?B=F6hmwalder?= Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Jens Axboe Subject: drivers/block/drbd/drbd_bitmap.c:451:7: warning: expression result unused Message-ID: <202305270319.WZP0J28B-lkp@intel.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 Hi Christoph, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0d85b27b0cc6b5cf54567c5ad913a247a71583ce commit: aa034695971124f673d4ccdd39cd7f269904ea86 drbd: introduce dynamic debug date: 6 months ago config: i386-randconfig-i011-20230526 (https://download.01.org/0day-ci/archive/20230527/202305270319.WZP0J28B-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aa034695971124f673d4ccdd39cd7f269904ea86 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout aa034695971124f673d4ccdd39cd7f269904ea86 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/block/drbd/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202305270319.WZP0J28B-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/block/drbd/drbd_bitmap.c:451:7: warning: expression result unused [-Wunused-value] if (!expect(device->bitmap)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ drivers/block/drbd/drbd_polymorph_printk.h:55:47: note: expanded from macro '__drbd_printk_if_same_type' __drbd_printk_choose_cond(obj, struct_name), \ ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/block/drbd/drbd_bitmap.c:451:7: warning: expression result unused [-Wunused-value] if (!expect(device->bitmap)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ drivers/block/drbd/drbd_bitmap.c:460:7: warning: expression result unused [-Wunused-value] if (!expect(device->bitmap)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ drivers/block/drbd/drbd_polymorph_printk.h:55:47: note: expanded from macro '__drbd_printk_if_same_type' __drbd_printk_choose_cond(obj, struct_name), \ ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/block/drbd/drbd_bitmap.c:460:7: warning: expression result unused [-Wunused-value] if (!expect(device->bitmap)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ drivers/block/drbd/drbd_bitmap.c:639:7: warning: expression result unused [-Wunused-value] if (!expect(b)) ~~~~~^~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ drivers/block/drbd/drbd_polymorph_printk.h:55:47: note: expanded from macro '__drbd_printk_if_same_type' __drbd_printk_choose_cond(obj, struct_name), \ ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/block/drbd/drbd_bitmap.c:639:7: warning: expression result unused [-Wunused-value] if (!expect(b)) ~~~~~^~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) -- >> drivers/block/drbd/drbd_receiver.c:416:7: warning: expression result unused [-Wunused-value] if (!expect(!(peer_req->flags & EE_CALL_AL_COMPLETE_IO))) { ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ drivers/block/drbd/drbd_polymorph_printk.h:55:47: note: expanded from macro '__drbd_printk_if_same_type' __drbd_printk_choose_cond(obj, struct_name), \ ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/block/drbd/drbd_receiver.c:416:7: warning: expression result unused [-Wunused-value] if (!expect(!(peer_req->flags & EE_CALL_AL_COMPLETE_IO))) { ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ drivers/block/drbd/drbd_receiver.c:1876:8: warning: expression result unused [-Wunused-value] if (!expect(data_size == 0)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ drivers/block/drbd/drbd_polymorph_printk.h:55:47: note: expanded from macro '__drbd_printk_if_same_type' __drbd_printk_choose_cond(obj, struct_name), \ ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/block/drbd/drbd_receiver.c:1876:8: warning: expression result unused [-Wunused-value] if (!expect(data_size == 0)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ drivers/block/drbd/drbd_receiver.c:1880:8: warning: expression result unused [-Wunused-value] if (!expect(data_size == 0)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ drivers/block/drbd/drbd_polymorph_printk.h:55:47: note: expanded from macro '__drbd_printk_if_same_type' __drbd_printk_choose_cond(obj, struct_name), \ ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/block/drbd/drbd_receiver.c:1880:8: warning: expression result unused [-Wunused-value] if (!expect(data_size == 0)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) -- >> drivers/block/drbd/drbd_actlog.c:871:7: warning: expression result unused [-Wunused-value] if (!expect(sector < nr_sectors)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ drivers/block/drbd/drbd_polymorph_printk.h:55:47: note: expanded from macro '__drbd_printk_if_same_type' __drbd_printk_choose_cond(obj, struct_name), \ ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/block/drbd/drbd_actlog.c:871:7: warning: expression result unused [-Wunused-value] if (!expect(sector < nr_sectors)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ drivers/block/drbd/drbd_actlog.c:873:7: warning: expression result unused [-Wunused-value] if (!expect(esector < nr_sectors)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ drivers/block/drbd/drbd_polymorph_printk.h:55:47: note: expanded from macro '__drbd_printk_if_same_type' __drbd_printk_choose_cond(obj, struct_name), \ ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/block/drbd/drbd_actlog.c:873:7: warning: expression result unused [-Wunused-value] if (!expect(esector < nr_sectors)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_polymorph_printk.h:128:4: note: expanded from macro 'expect' drbd_err(device, "ASSERTION %s FAILED in %s\n", \ ^ drivers/block/drbd/drbd_polymorph_printk.h:104:2: note: expanded from macro 'drbd_err' drbd_printk(KERN_ERR, device, fmt, ## args) ^ drivers/block/drbd/drbd_polymorph_printk.h:65:4: note: expanded from macro 'drbd_printk' __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ 4 warnings generated. .. vim +451 drivers/block/drbd/drbd_bitmap.c b411b3637fa71fc Philipp Reisner 2009-09-25 448 b30ab7913b0a7b1 Andreas Gruenbacher 2011-07-03 449 sector_t drbd_bm_capacity(struct drbd_device *device) b411b3637fa71fc Philipp Reisner 2009-09-25 450 { b30ab7913b0a7b1 Andreas Gruenbacher 2011-07-03 @451 if (!expect(device->bitmap)) 841ce241fa35504 Andreas Gruenbacher 2010-12-15 452 return 0; b30ab7913b0a7b1 Andreas Gruenbacher 2011-07-03 453 return device->bitmap->bm_dev_capacity; b411b3637fa71fc Philipp Reisner 2009-09-25 454 } b411b3637fa71fc Philipp Reisner 2009-09-25 455 :::::: The code at line 451 was first introduced by commit :::::: b30ab7913b0a7b1d3b1091c8cb3abb1a9f1e0824 drbd: Rename "mdev" to "device" :::::: TO: Andreas Gruenbacher :::::: CC: Philipp Reisner -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki