Btrfs: don't null pointer deref on abort



I'm sorry, theres no excuse for this sort of work.  We need to use
root->leafsize since eb may be NULL.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>

parent 03b71c6c

fs/btrfs/disk-io.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3808,7 +3808,7 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root,
		while (start <= end) {
		eb = btrfs_find_tree_block(root, start,
		root->leafsize);
		start += eb->len;
		start += root->leafsize;
		if (!eb)
		continue;
		wait_on_extent_buffer_writeback(eb);