Commit c16c2e2e authored May 08, 2013 by Wang Shilong Committed by Josef Bacik May 17, 2013

Btrfs: fix possible memory leak in the find_parent_nodes()



In the find_parent_nodes(), if read_tree_block() fails, we can
not return directly, we should free some allocated memory otherwise
memory leak happens.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

parent 49688107

fs/btrfs/backref.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -918,7 +918,8 @@ again:
		ref->parent, bsz, 0);
		if (!eb \|\| !extent_buffer_uptodate(eb)) {
		free_extent_buffer(eb);
		return -EIO;
		ret = -EIO;
		goto out;
		}
		ret = find_extent_in_eb(eb, bytenr,
		*extent_item_pos, &eie);