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X-CSE-ConnectionGUID: yJ2CmEtMQgmcWyt3XsYd3Q== X-CSE-MsgGUID: cC5D7mTyQRWhmDHXRYZdRg== X-IronPort-AV: E=McAfee;i="6800,10657,11790"; a="97439988" X-IronPort-AV: E=Sophos;i="6.23,242,1770624000"; d="scan'208";a="97439988" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2026 14:30:05 -0700 X-CSE-ConnectionGUID: 7IAO4TobSNeE4oWSQIR60Q== X-CSE-MsgGUID: fmAonD+4SMynkKsxXXiYlA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,242,1770624000"; d="scan'208";a="241393808" Received: from igk-lkp-server01.igk.intel.com (HELO bdf09bfdbd5f) ([10.211.93.152]) by fmviesa004.fm.intel.com with ESMTP; 18 May 2026 14:30:04 -0700 Received: from kbuild by bdf09bfdbd5f with local (Exim 4.98.2) (envelope-from ) id 1wP5XF-000000009wH-27nK; Mon, 18 May 2026 21:30:01 +0000 Date: Mon, 18 May 2026 23:29:46 +0200 From: kernel test robot To: "Mike Rapoport (Microsoft)" Cc: oe-kbuild-all@lists.linux.dev Subject: [rppt:gfp-to-kmalloc/v0.1 132/238] drivers/s390/cio/cmf.c:550:25: warning: variable 'size' set but not used Message-ID: <202605182340.isVRQEhf-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git gfp-to-kmalloc/v0.1 head: cf8f69ff9142effba4d8d9a70a1a4f275044376c commit: c2abb22c9f24b8570ba3fe1c115908b142514b99 [132/238] s390/cio: replace __get_free_pages() with kmalloc() config: s390-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260518/202605182340.isVRQEhf-lkp@intel.com/config) compiler: s390x-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260518/202605182340.isVRQEhf-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/202605182340.isVRQEhf-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/s390/cio/cmf.c: In function 'free_cmb': >> drivers/s390/cio/cmf.c:550:25: warning: variable 'size' set but not used [-Wunused-but-set-variable] 550 | ssize_t size; | ^~~~ vim +/size +550 drivers/s390/cio/cmf.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 532 94bb063312d872 Cornelia Huck 2006-06-29 533 static void free_cmb(struct ccw_device *cdev) ^1da177e4c3f41 Linus Torvalds 2005-04-16 534 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 535 struct ccw_device_private *priv; 94bb063312d872 Cornelia Huck 2006-06-29 536 struct cmb_data *cmb_data; ^1da177e4c3f41 Linus Torvalds 2005-04-16 537 ^1da177e4c3f41 Linus Torvalds 2005-04-16 538 spin_lock(&cmb_area.lock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 539 spin_lock_irq(cdev->ccwlock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 540 94bb063312d872 Cornelia Huck 2006-06-29 541 priv = cdev->private; 94bb063312d872 Cornelia Huck 2006-06-29 542 cmb_data = priv->cmb; ^1da177e4c3f41 Linus Torvalds 2005-04-16 543 priv->cmb = NULL; 94bb063312d872 Cornelia Huck 2006-06-29 544 if (cmb_data) 94bb063312d872 Cornelia Huck 2006-06-29 545 kfree(cmb_data->last_block); 94bb063312d872 Cornelia Huck 2006-06-29 546 kfree(cmb_data); ^1da177e4c3f41 Linus Torvalds 2005-04-16 547 list_del_init(&priv->cmb_list); ^1da177e4c3f41 Linus Torvalds 2005-04-16 548 ^1da177e4c3f41 Linus Torvalds 2005-04-16 549 if (list_empty(&cmb_area.list)) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 @550 ssize_t size; ^1da177e4c3f41 Linus Torvalds 2005-04-16 551 size = sizeof(struct cmb) * cmb_area.num_channels; 7b4ff87cbf3d25 Heiko Carstens 2016-06-20 552 cmf_activate(NULL, CMF_OFF); c2abb22c9f24b8 Mike Rapoport (Microsoft 2026-02-10 553) kfree((void *)(unsigned long)cmb_area.mem); ^1da177e4c3f41 Linus Torvalds 2005-04-16 554 cmb_area.mem = NULL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 555 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 556 spin_unlock_irq(cdev->ccwlock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 557 spin_unlock(&cmb_area.lock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 558 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 559 :::::: The code at line 550 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki