Commit b5b9b5b3 authored Jul 03, 2013 by Liu Bo Committed by Chris Mason Aug 09, 2013

Btrfs: fix extent buffer leak after backref walking



commit 47fb091f(Btrfs: fix unlock after free on rewinded tree blocks)
takes an extra increment on the reference of allocated dummy extent buffer, so now we
cannot free this dummy one, and end up with extent buffer leak.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

parent e68afa49

fs/btrfs/ctree.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -1271,7 +1271,6 @@ tree_mod_log_rewind(struct btrfs_fs_info fs_info, struct extent_buffer eb,
		BUG_ON(!eb_rewin);
		}

		extent_buffer_get(eb_rewin);
		btrfs_tree_read_unlock(eb);
		free_extent_buffer(eb);