diff --git a/kernel/pid.c b/kernel/pid.c
index f633a7d..c787549 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -303,8 +303,11 @@ void free_pid(struct pid *pid)
 	for (i = 0; i <= pid->level; i++) {
 		struct upid *upid = pid->numbers + i;
 		struct pid_namespace *ns = upid->ns;
-		if (!hlist_unhashed(&upid->pid_chain))
-			hlist_del_rcu(&upid->pid_chain);
+
+		if (hlist_unhashed(&upid->pid_chain))
+			continue;
+
+		hlist_del_rcu(&upid->pid_chain);
 		switch(--ns->nr_hashed) {
 		case 2:
 		case 1: