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Commit a4fdb61e authored by Wang Shilong's avatar Wang Shilong Committed by Chris Mason
Browse files

Btrfs: fix possible memory leak in find_parent_nodes() 



Signed-off-by: default avatarWang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fusionio.com>
Signed-off-by: default avatarChris Mason <chris.mason@fusionio.com>
parent 09fb99a6

fs/btrfs/backref.c

+1 −1
Original line number Diff line number Diff line
@@ -911,7 +911,6 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, 


	while (!list_empty(&prefs)) {

		ref = list_first_entry(&prefs, struct __prelim_ref, list);

		list_del(&ref->list);

		WARN_ON(ref->count < 0);

		if (ref->count && ref->root_id && ref->parent == 0) {

			/* no parent == root of tree */
@@ -956,6 +955,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, 
				eie->next = ref->inode_list;

			}

		}

		list_del(&ref->list);

		kfree(ref);

	}