diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index d61ec5636ce0..61553670735d 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1075,6 +1075,7 @@ static int blkiocg_file_write(struct cgroup *cgrp, struct cftype *cft,
 
 	if (blkio_delete_rule_command(newpn)) {
 		blkio_policy_delete_node(pn);
+		kfree(pn);
 		spin_unlock_irq(&blkcg->lock);
 		goto update_io_group;
 	}