Commit 10780006 authored Sep 13, 2016 by Liu Bo Committed by Greg Kroah-Hartman Jan 06, 2017

Btrfs: fix memory leak in do_walk_down



commit a958eab0ed7fdc1b977bc25d3af6efedaa945488 upstream.

The extent buffer 'next' needs to be free'd conditionally.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 5a9b659e

fs/btrfs/extent-tree.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -8488,6 +8488,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
		&wc->flags[level - 1]);
		if (ret < 0) {
		btrfs_tree_unlock(next);
		free_extent_buffer(next);
		return ret;
		}