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 5105FEB64DD for ; Mon, 14 Aug 2023 20:46:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231790AbjHNUqI (ORCPT ); Mon, 14 Aug 2023 16:46:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230385AbjHNUpi (ORCPT ); Mon, 14 Aug 2023 16:45:38 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D061FD1 for ; Mon, 14 Aug 2023 13:45:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692045936; x=1723581936; h=date:from:to:cc:subject:message-id:mime-version; bh=uHHsKQ8gm/oUCXZtuCz3RCA1lsNEF652TlTyiHjWPjA=; b=gpAxcQtDfBaPkjSXUzdRDYNkXr639bLvq0WPrssZchVYCocwSKOK7wq8 /Td1UzMI1mAW2le3aaBVv7cpGh09W54+j5tSeaU5prhNtrBvv7mtNWt8Y +wZS7ebU0abUUqQWLsd2t3tO+7UTIBFlcMh011QqXkHjlIg46yFlXo67Z Mgj7xq0KKpE+/Qpm+sxY2VvUNvG/Kf1/x1E9RrwHnDhtBbUAzru8IoP4O 9yEw0JLjyb/AEVBUft82QtCbV8hCJN7pPFd7SEEfnhmHjPzW7HyQRoiyg FwTYn7xyf7ryDqnhTs3goEz0u5D0XcI32+VSn6x5PQqKaauMseTrY1cID A==; X-IronPort-AV: E=McAfee;i="6600,9927,10802"; a="372130633" X-IronPort-AV: E=Sophos;i="6.01,173,1684825200"; d="scan'208";a="372130633" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2023 13:45:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10802"; a="803584014" X-IronPort-AV: E=Sophos;i="6.01,173,1684825200"; d="scan'208";a="803584014" Received: from lkp-server02.sh.intel.com (HELO b5fb8d9e1ffc) ([10.239.97.151]) by fmsmga004.fm.intel.com with ESMTP; 14 Aug 2023 13:45:34 -0700 Received: from kbuild by b5fb8d9e1ffc with local (Exim 4.96) (envelope-from ) id 1qVeRR-0000PP-2n; Mon, 14 Aug 2023 20:45:33 +0000 Date: Tue, 15 Aug 2023 04:45:28 +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_receiver.c:416:7: warning: expression result unused Message-ID: <202308150414.eG2nMDlx-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 Christoph, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2ccdd1b13c591d306f0401d98dedc4bdcd02b421 commit: aa034695971124f673d4ccdd39cd7f269904ea86 drbd: introduce dynamic debug date: 9 months ago config: i386-randconfig-r033-20230815 (https://download.01.org/0day-ci/archive/20230815/202308150414.eG2nMDlx-lkp@intel.com/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce: (https://download.01.org/0day-ci/archive/20230815/202308150414.eG2nMDlx-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202308150414.eG2nMDlx-lkp@intel.com/ All warnings (new ones prefixed by >>): >> 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__) ) ) -- In file included from drivers/block/drbd/drbd_nl.c:78: include/linux/genl_magic_func.h:212:13: warning: no previous prototype for function 'drbd_genl_cmd_to_str' [-Wmissing-prototypes] const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) ^ include/linux/genl_magic_struct.h:21:22: note: expanded from macro 'CONCAT_' #define CONCAT_(a,b) CONCAT__(a,b) ^ include/linux/genl_magic_struct.h:20:23: note: expanded from macro 'CONCAT__' #define CONCAT__(a,b) a ## b ^ :148:1: note: expanded from here drbd_genl_cmd_to_str ^ include/linux/genl_magic_func.h:212:7: note: declare 'static' if the function is not intended to be used outside of this translation unit const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) ^ static >> drivers/block/drbd/drbd_nl.c:1546:7: warning: expression result unused [-Wunused-value] if (!expect(new_disk_conf->resync_rate >= 1)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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_nl.c:1546:7: warning: expression result unused [-Wunused-value] if (!expect(new_disk_conf->resync_rate >= 1)) ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ? \ ^~~~ 3 warnings generated. -- >> 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__) ) ) .. vim +416 drivers/block/drbd/drbd_receiver.c b411b3637fa71f Philipp Reisner 2009-09-25 406 b30ab7913b0a7b Andreas Gruenbacher 2011-07-03 407 void __drbd_free_peer_req(struct drbd_device *device, struct drbd_peer_request *peer_req, f6ffca9f429025 Andreas Gruenbacher 2011-02-04 408 int is_net) b411b3637fa71f Philipp Reisner 2009-09-25 409 { 21ae5d7f95aa1a Lars Ellenberg 2014-05-05 410 might_sleep(); db830c464b69e2 Andreas Gruenbacher 2011-02-04 411 if (peer_req->flags & EE_HAS_DIGEST) db830c464b69e2 Andreas Gruenbacher 2011-02-04 412 kfree(peer_req->digest); b30ab7913b0a7b Andreas Gruenbacher 2011-07-03 413 drbd_free_pages(device, peer_req->pages, is_net); 0b0ba1efc7b887 Andreas Gruenbacher 2011-06-27 414 D_ASSERT(device, atomic_read(&peer_req->pending_bios) == 0); 0b0ba1efc7b887 Andreas Gruenbacher 2011-06-27 415 D_ASSERT(device, drbd_interval_empty(&peer_req->i)); 21ae5d7f95aa1a Lars Ellenberg 2014-05-05 @416 if (!expect(!(peer_req->flags & EE_CALL_AL_COMPLETE_IO))) { 21ae5d7f95aa1a Lars Ellenberg 2014-05-05 417 peer_req->flags &= ~EE_CALL_AL_COMPLETE_IO; 21ae5d7f95aa1a Lars Ellenberg 2014-05-05 418 drbd_al_complete_io(device, &peer_req->i); 21ae5d7f95aa1a Lars Ellenberg 2014-05-05 419 } 0892fac8719f06 Kent Overstreet 2018-05-20 420 mempool_free(peer_req, &drbd_ee_mempool); b411b3637fa71f Philipp Reisner 2009-09-25 421 } b411b3637fa71f Philipp Reisner 2009-09-25 422 :::::: The code at line 416 was first introduced by commit :::::: 21ae5d7f95aa1a64f35b03c91f8714ced3ab61a9 drbd: track timing details of peer_requests :::::: TO: Lars Ellenberg :::::: CC: Philipp Reisner -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki