CC: kbuild-all(a)lists.01.org BCC: lkp(a)intel.com CC: linux-kernel(a)vger.kernel.org TO: Josef Bacik <josef(a)toxicpanda.com&gt; CC: David Sterba <dsterba(a)suse.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 787af64d05cd528aac9ad16752d11bb1c6061bb9 commit: abed4aaae4f71a7bcdbe90a65319b6e772a2689d btrfs: track the csum, extent, and free space trees in a rb tree date: 3 months ago :::::: branch date: 22 hours ago :::::: commit date: 3 months ago compiler: ia64-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; cppcheck possible warnings: (new ones prefixed by >>, may not real problems) rbtree_postorder_for_each_entry_safe(root, tmp, ^ list_for_each_entry_safe(device, tmp, &fs_devices->devices, dev_list) ^ vim +2263 fs/btrfs/disk-io.c 2e9f5954978cd5 Rashika 2013-10-31 2258 abed4aaae4f71a Josef Bacik 2021-11-05 2259 static void free_global_root_pointers(struct btrfs_fs_info *fs_info) abed4aaae4f71a Josef Bacik 2021-11-05 2260 { abed4aaae4f71a Josef Bacik 2021-11-05 2261 struct btrfs_root *root, *tmp; abed4aaae4f71a Josef Bacik 2021-11-05 2262 abed4aaae4f71a Josef Bacik 2021-11-05 @2263 rbtree_postorder_for_each_entry_safe(root, tmp, abed4aaae4f71a Josef Bacik 2021-11-05 2264 &fs_info->global_root_tree, abed4aaae4f71a Josef Bacik 2021-11-05 2265 rb_node) abed4aaae4f71a Josef Bacik 2021-11-05 2266 free_root_extent_buffers(root); abed4aaae4f71a Josef Bacik 2021-11-05 2267 } abed4aaae4f71a Josef Bacik 2021-11-05 2268 -- 0-DAY CI Kernel Test Service https://01.org/lkp