From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) (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 A313A1AA83 for ; Wed, 9 Aug 2023 18:19:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691605185; x=1723141185; h=date:from:to:cc:subject:message-id:mime-version; bh=FQjotq/35OgwQHIOeabdIjAwaGlExWlWojpyF6A8ioM=; b=OLqH1zZ4eQA7qaGR1xeZWbcXX8tj8H4Bo4oou58Yng0xW4/Li4dBlwbk svkUee0Vmj3Sfj/yA1/WEIJkmUT65addkT7XPviucDkWblCghGjRkKhNI Opmgn5JUxKWWGxHVsHxQ0v2EK4reIwa/e6tuDvdS87cycXN0khisKx8M6 CWxe/tzi4TNbdjf6zITMGsmSaWbGNs6riBi8ScQK+ysRVVOY5ccNMm3WT oQT6hI9iP6T6ZsL5iau9HWav02ve8kHl2qiQb96MbmRuIO5AkAXT+L9bg Jakj6wvbdMXM5vftFqNlMAzOhq5/Vmt+MfUswuzNrJEK7EKcDP9IiCTLh g==; X-IronPort-AV: E=McAfee;i="6600,9927,10797"; a="350774568" X-IronPort-AV: E=Sophos;i="6.01,159,1684825200"; d="scan'208";a="350774568" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Aug 2023 11:19:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10797"; a="905755323" X-IronPort-AV: E=Sophos;i="6.01,159,1684825200"; d="scan'208";a="905755323" Received: from lkp-server01.sh.intel.com (HELO d1ccc7e87e8f) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 09 Aug 2023 11:19:41 -0700 Received: from kbuild by d1ccc7e87e8f with local (Exim 4.96) (envelope-from ) id 1qTnmW-0006Jm-3D; Wed, 09 Aug 2023 18:19:41 +0000 Date: Thu, 10 Aug 2023 02:18:43 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [linux-next:master 8194/8441] drivers/block/ublk_drv.c:445 ublk_setup_iod_zoned() warn: signedness bug returning '(-95)' Message-ID: <202308100201.TCRhgdvN-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: Linux Memory Management List TO: Andreas Hindborg CC: Jens Axboe CC: Ming Lei tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 21ef7b1e17d039053edaeaf41142423810572741 commit: 29802d7ca33bc0a75c9da2a143eeed4f9e99fca4 [8194/8441] ublk: enable zoned storage support :::::: branch date: 12 hours ago :::::: commit date: 20 hours ago config: s390-randconfig-m041-20230809 (https://download.01.org/0day-ci/archive/20230810/202308100201.TCRhgdvN-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230810/202308100201.TCRhgdvN-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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202308100201.TCRhgdvN-lkp@intel.com/ New smatch warnings: drivers/block/ublk_drv.c:445 ublk_setup_iod_zoned() warn: signedness bug returning '(-95)' Old smatch warnings: drivers/block/ublk_drv.c:963 ublk_setup_iod() warn: signedness bug returning '(-5)' drivers/block/ublk_drv.c:1404 ublk_commit_completion() warn: variable dereferenced before check 'req' (see line 1401) vim +445 drivers/block/ublk_drv.c 29802d7ca33bc0 Andreas Hindborg 2023-08-04 441 29802d7ca33bc0 Andreas Hindborg 2023-08-04 442 static blk_status_t ublk_setup_iod_zoned(struct ublk_queue *ubq, 29802d7ca33bc0 Andreas Hindborg 2023-08-04 443 struct request *req) 29802d7ca33bc0 Andreas Hindborg 2023-08-04 444 { 29802d7ca33bc0 Andreas Hindborg 2023-08-04 @445 return -EOPNOTSUPP; 29802d7ca33bc0 Andreas Hindborg 2023-08-04 446 } 29802d7ca33bc0 Andreas Hindborg 2023-08-04 447 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki