Messages in this thread | | | Date | Wed, 31 Aug 2022 05:58:22 +0800 | From | kernel test robot <> | 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 |
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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 <lkp@intel.com>
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 <darrick.wong@oracle.com> :::::: CC: Darrick J. Wong <darrick.wong@oracle.com>
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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