btrfs: handle ENOENT in btrfs_uuid_tree_iterate
If we get an -ENOENT back from btrfs_uuid_iter_rem when iterating the uuid tree we'll just continue and do btrfs_next_item(). However we've done a btrfs_release_path() at this point and no longer have a valid path. So increment the key and go back and do a normal search. CC: stable@vger.kernel.org # 4.4+ Reviewed-by: NFilipe Manana <fdmanana@suse.com> Reviewed-by: NJohannes Thumshirn <jthumshirn@suse.de> Signed-off-by: NJosef Bacik <josef@toxicpanda.com> Reviewed-by: NDavid Sterba <dsterba@suse.com> Signed-off-by: NDavid Sterba <dsterba@suse.com>
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