From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) (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 44F1F42EED8; Thu, 6 Aug 2026 17:13:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786036399; cv=none; b=FUrAQspKUZ/GNn1l3l0I/ScacRXMQPqyBJrvdfS/PdG+N424TIOmk418eQMXlsSn6O00GH4QwdPnt46tpiBAB1RBzVaCCDMcfluTxvz3KcdE27sOEYfBJ3pPVcnoiLPar1PQP/XrMQ2nqlwuXwE+XBbSnTuKcRmdWknjVms0dXI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786036399; c=relaxed/simple; bh=q5uKfuQLoGtmdrRsn36ltCuoJ1Eo9bvxw7g7uBsegQY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=gRdu3a5Ay8uMIeFn1c4vxIVEmavjJzTiZUFVRs1OYDMbfhYBuGhLjk1GzVbVn1hZhbLOITPLWPIpO4AQNiT1hslBfF21+5n0d6eESrWGmGaWbW5voQRg8f+X5jkyrNtjK/Kqw7mRWpz2g3jhyqHpZp7Jrc6sfNLTTzIjR+YK4eI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf19.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay04.hostedemail.com (Postfix) with ESMTP id BC3461A0179; Thu, 6 Aug 2026 17:13:15 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf19.hostedemail.com (Postfix) with ESMTPA id CC4AA20026; Thu, 6 Aug 2026 17:13:13 +0000 (UTC) Date: Thu, 6 Aug 2026 13:13:14 -0400 From: Steven Rostedt To: kernel test robot Cc: LKML , Linux Trace Kernel , oe-kbuild-all@lists.linux.dev, Masami Hiramatsu , Mathieu Desnoyers , Markus Elfring Subject: Re: [PATCH] tracing: Cleanup event_enable_trigger_parse() by using __free() Message-ID: <20260806131314.771bfaea@gandalf.local.home> In-Reply-To: <202608050839.Ip5dU0Jz-lkp@intel.com> References: <20260701174829.67ab8a33@gandalf.local.home> <202608050839.Ip5dU0Jz-lkp@intel.com> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Stat-Signature: 3zxu5catii7wwqom4cwgc78hmyihubya X-Rspamd-Server: rspamout08 X-Rspamd-Queue-Id: CC4AA20026 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18wntJ8eLTWdze1jVk+IAZAz1C3ntxvfDU= X-HE-Tag: 1786036393-324928 X-HE-Meta: U2FsdGVkX1/rgBM+CLUsf9sxmKDuJo5inziZG8FyT956ybuU/wxkKtdKsjwuN6loKAowENvTchxhkRbEdbpilbQhc2k79pwiG5RtmbCVk75gDOpGchPH9BikICD75KL/R13ZLdazPxvb1bJo7KoYJ8Toj54MS0bCm8tRBA/6PJhpsDEgKcytiDYZdIHg5p6ylg/jq33OSszE9a6Hmvm0O4aqGNZAmnfQNzE8rvJiRwHqHBStkv8W6y0Oe3l6eZar28pZPQM5WLPDWKM6AM3hVcrXCcQ9DA14C2n1xYNi3bgSWGluvxnScTr6uG4iZF5g+BLUxvV9JQmGwCXJygzKG1ppZq5HlQn71yjm4ojabaJ3tEZFChwiQPBZhzWag4VTYV/Xs9aMMD9lXKlcYS7vU3wMiaScHAPxNL3rknYd4e+e/8Sqg7xAC7jwgk+1FDhMgdOySyo6ivt8y8BvBOTuC4d/BxgqEa27 Does the kernel test robot just keep on testing old versions of a patch? Sashiko discovered this issue and I made a v2 with a fix a week ago: https://lore.kernel.org/all/20260727155459.202af38d@gandalf.local.home/ -- Steve On Wed, 5 Aug 2026 08:21:33 +0200 kernel test robot wrote: > Hi Steven, >=20 > kernel test robot noticed the following build warnings: >=20 > [auto build test WARNING on trace/for-next] > [also build test WARNING on linus/master v7.2-rc6 next-20260804] > [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] >=20 > url: https://github.com/intel-lab-lkp/linux/commits/Steven-Rostedt/tra= cing-Cleanup-event_enable_trigger_parse-by-using-__free/20260805-073956 > base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace= for-next > patch link: https://lore.kernel.org/r/20260701174829.67ab8a33%40gandal= f.local.home > patch subject: [PATCH] tracing: Cleanup event_enable_trigger_parse() by u= sing __free() > config: s390-allnoconfig-bpf (https://download.01.org/0day-ci/archive/202= 60805/202608050839.Ip5dU0Jz-lkp@intel.com/config) > compiler: s390x-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0 > reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archi= ve/20260805/202608050839.Ip5dU0Jz-lkp@intel.com/reproduce) >=20 > If you fix the issue in a separate patch/commit (i.e. not just a new vers= ion of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202608050839.Ip5dU0Jz-lkp= @intel.com/ >=20 > All warnings (new ones prefixed by >>): >=20 > In file included from ./include/linux/file.h:13, > from ./include/linux/kernel_read_file.h:5, > from ./include/linux/security.h:26, > from kernel/trace/trace_events_trigger.c:8: > kernel/trace/trace_events_trigger.c: In function 'event_enable_trigger= _parse': > >> ./include/linux/cleanup.h:228:22: warning: ignoring return value of '_= _must_check_fn' declared with attribute 'warn_unused_result' [-Wunused-resu= lt] =20 > 228 | ((typeof(p)) __must_check_fn((__force const volatile v= oid *)__get_and_null(p, NULL))) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~= ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > kernel/trace/trace_events_trigger.c:1842:9: note: in expansion of macr= o 'no_free_ptr' > 1842 | no_free_ptr(enable_data); > | ^~~~~~~~~~~ >=20 >=20 > vim +228 ./include/linux/cleanup.h >=20 > 85be6d84244706 Peter Zijlstra 2023-08-15 226 =20 > 54da6a0924311c Peter Zijlstra 2023-05-26 227 #define no_free_ptr(p) \ > 366fef794bd2b7 Ilpo J=C3=A4rvinen 2025-03-10 @228 ((typeof(p)) __must_= check_fn((__force const volatile void *)__get_and_null(p, NULL))) > 54da6a0924311c Peter Zijlstra 2023-05-26 229 =20 >=20 > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki