tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dc06fe51d26efc100ac74121607c01a454867c91 commit: 55f3560df975f557c48aa6afc636808f31ecb87a seqlock: Extend seqcount API with associated locks date: 2 weeks ago config: parisc-randconfig-m031-20200811 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> New smatch warnings: fs/btrfs/volumes.h:206 btrfs_device_set_total_bytes() warn: statement has no effect 31 fs/btrfs/volumes.h:207 btrfs_device_set_disk_total_bytes() warn: statement has no effect 31 fs/btrfs/volumes.h:208 btrfs_device_set_bytes_used() warn: statement has no effect 31 fs/btrfs/volumes.h:206 btrfs_device_set_total_bytes() warn: statement has no effect 31 fs/btrfs/volumes.h:207 btrfs_device_set_disk_total_bytes() warn: statement has no effect 31 fs/btrfs/volumes.h:208 btrfs_device_set_bytes_used() warn: statement has no effect 31 block/partitions/../blk.h:424 part_nr_sects_write() warn: statement has no effect 31 Old smatch warnings: fs/btrfs/volumes.c:1091 btrfs_free_extra_devids() error: we previously assumed 'latest_dev' could be null (see line 1046) fs/btrfs/volumes.c:6008 __btrfs_map_block() error: 'em' dereferencing possible ERR_PTR() fs/btrfs/volumes.c:6827 read_one_dev() error: potential null dereference 'device'. (add_missing_dev returns null) block/partitions/core.c:172 check_partition() warn: passing zero to 'ERR_PTR' include/linux/fs.h:888 i_size_write() warn: statement has no effect 31 vim +206 fs/btrfs/volumes.h 7cc8e58d53cd22 Miao Xie 2014-09-03 205 7cc8e58d53cd22 Miao Xie 2014-09-03 @206 BTRFS_DEVICE_GETSET_FUNCS(total_bytes); 7cc8e58d53cd22 Miao Xie 2014-09-03 @207 BTRFS_DEVICE_GETSET_FUNCS(disk_total_bytes); 7cc8e58d53cd22 Miao Xie 2014-09-03 @208 BTRFS_DEVICE_GETSET_FUNCS(bytes_used); 7cc8e58d53cd22 Miao Xie 2014-09-03 209 :::::: The code at line 206 was first introduced by commit :::::: 7cc8e58d53cd2295c3c1cee7b503bd1790ea4486 Btrfs: fix unprotected device's variants on 32bits machine :::::: TO: Miao Xie <mi...@cn.fujitsu.com> :::::: CC: Chris Mason <c...@fb.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
