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 A339DECAAD5 for ; Tue, 30 Aug 2022 22:02:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231387AbiH3WCr (ORCPT ); Tue, 30 Aug 2022 18:02:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232009AbiH3WCX (ORCPT ); Tue, 30 Aug 2022 18:02:23 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9A189080D for ; Tue, 30 Aug 2022 14:58:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1661896718; x=1693432718; h=date:from:to:cc:subject:message-id:mime-version; bh=UWNhfGM4o48/RHMrCxXlv99aKPtZmUSaLxKD1tQ+80U=; b=BsHoz8GWGZZLaZjQxiVlOC7qzOoBbBWeWJ6zZFjZrYeVcSuo4Bmb6LCb vt1DbdlHzxd6H6TH3HHRUGgVS5ZxhtfWoFyVYj3gbGeyVSdK5tgATqibu UlzQ483LRQUPIbs93djdnvXB2XZGNSIKv8M7s7kvh8ghL+9XUKKDAWMzy +b9+bp8EHWCP09jepRboxhZkI3EkJo+zJBzrdG8juqFSLRq5JYy6/crj6 TVA9QmWmavQxAo9BAGqlUGcR+yWtw509uunbmLJUYmwrgAi9FMvhmAdEE Sk4lCSg/g5+h81red8C5urANcEFQrhSGmU8NDyoqzoVh/aBPui/cg49xh w==; X-IronPort-AV: E=McAfee;i="6500,9779,10455"; a="294049033" X-IronPort-AV: E=Sophos;i="5.93,276,1654585200"; d="scan'208";a="294049033" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Aug 2022 14:58:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,276,1654585200"; d="scan'208";a="588794460" Received: from lkp-server02.sh.intel.com (HELO 77b6d4e16fc5) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 30 Aug 2022 14:58:35 -0700 Received: from kbuild by 77b6d4e16fc5 with local (Exim 4.96) (envelope-from ) id 1oT9Fh-0000fD-1L; Tue, 30 Aug 2022 21:58:33 +0000 Date: Wed, 31 Aug 2022 05:58:22 +0800 From: kernel test robot To: Linus Walleij Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [arm-integrator:virt-to-pfn-v6.0-rc1 10/24] fs/iomap/direct-io.c:195:29: sparse: sparse: Using plain integer as NULL pointer Message-ID: <202208310538.aeMiqjUq-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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git virt-to-pfn-v6.0-rc1 head: fd7709c9f1119794e96665ae423d79d93bfe43fc commit: cb1bcb8486737f0d37b3ee9522ee44106d9875ae [10/24] ARM: mm: Make virt_to_pfn() a static inline config: arm-randconfig-s042-20220830 (https://download.01.org/0day-ci/archive/20220831/202208310538.aeMiqjUq-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=cb1bcb8486737f0d37b3ee9522ee44106d9875ae git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git git fetch --no-tags arm-integrator virt-to-pfn-v6.0-rc1 git checkout cb1bcb8486737f0d37b3ee9522ee44106d9875ae # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash block/ fs/cifs/ fs/iomap/ lib/crypto/ net/ceph/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> fs/iomap/direct-io.c:195:29: sparse: sparse: Using plain integer as NULL pointer -- >> block/blk-lib.c:186:53: sparse: sparse: Using plain integer as NULL pointer -- >> net/ceph/messenger.c:247:26: sparse: sparse: Using plain integer as NULL pointer -- >> lib/crypto/chacha20poly1305.c:60:26: sparse: sparse: Using plain integer as NULL pointer lib/crypto/chacha20poly1305.c:128:26: sparse: sparse: Using plain integer as NULL pointer lib/crypto/chacha20poly1305.c:215:26: sparse: sparse: Using plain integer as NULL pointer -- >> lib/crypto/chacha20poly1305-selftest.c:8833:26: sparse: sparse: Using plain integer as NULL pointer vim +195 fs/iomap/direct-io.c db074436f42196 Darrick J. Wong 2019-07-15 190 a6d3d49587d10d Christoph Hellwig 2021-08-10 191 static void iomap_dio_zero(const struct iomap_iter *iter, struct iomap_dio *dio, a6d3d49587d10d Christoph Hellwig 2021-08-10 192 loff_t pos, unsigned len) db074436f42196 Darrick J. Wong 2019-07-15 193 { 489734ef94f4f7 Eric Biggers 2022-01-28 194 struct inode *inode = file_inode(dio->iocb->ki_filp); db074436f42196 Darrick J. Wong 2019-07-15 @195 struct page *page = ZERO_PAGE(0); db074436f42196 Darrick J. Wong 2019-07-15 196 struct bio *bio; db074436f42196 Darrick J. Wong 2019-07-15 197 908c54909ae72d Christoph Hellwig 2022-05-05 198 bio = iomap_dio_alloc_bio(iter, dio, 1, REQ_OP_WRITE | REQ_SYNC | REQ_IDLE); 489734ef94f4f7 Eric Biggers 2022-01-28 199 fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits, 489734ef94f4f7 Eric Biggers 2022-01-28 200 GFP_KERNEL); a6d3d49587d10d Christoph Hellwig 2021-08-10 201 bio->bi_iter.bi_sector = iomap_sector(&iter->iomap, pos); db074436f42196 Darrick J. Wong 2019-07-15 202 bio->bi_private = dio; db074436f42196 Darrick J. Wong 2019-07-15 203 bio->bi_end_io = iomap_dio_bio_end_io; db074436f42196 Darrick J. Wong 2019-07-15 204 db074436f42196 Darrick J. Wong 2019-07-15 205 get_page(page); db074436f42196 Darrick J. Wong 2019-07-15 206 __bio_add_page(bio, page, len, 0); a6d3d49587d10d Christoph Hellwig 2021-08-10 207 iomap_dio_submit_bio(iter, dio, bio, pos); db074436f42196 Darrick J. Wong 2019-07-15 208 } db074436f42196 Darrick J. Wong 2019-07-15 209 :::::: The code at line 195 was first introduced by commit :::::: db074436f421967f4f30cfbb6fbc2a728f3e62b3 iomap: move the direct IO code into a separate file :::::: TO: Darrick J. Wong :::::: CC: Darrick J. Wong -- 0-DAY CI Kernel Test Service https://01.org/lkp