1 files changed, 2 insertions, 3 deletions

diff --git a/kernel/pid.c b/kernel/pid.c
index 55fd5900bac..2e17c9c92cb 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -269,12 +269,11 @@ struct pid *alloc_pid(struct pid_namespace *ns)
         for (type = 0; type < PIDTYPE_MAX; ++type)
                 INIT_HLIST_HEAD(&pid->tasks[type]);
 
+        upid = pid->numbers + ns->level;
         spin_lock_irq(&pidmap_lock);
-        for (i = ns->level; i >= 0; i--) {
-                upid = &pid->numbers[i];
+        for ( ; upid >= pid->numbers; --upid)
                 hlist_add_head_rcu(&upid->pid_chain,
                                 &pid_hash[pid_hashfn(upid->nr, upid->ns)]);
-        }
         spin_unlock_irq(&pidmap_lock);
 
 out: