1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 06c62de9c711..db95d8eb761b 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -318,7 +318,9 @@ static void *pidns_get(struct task_struct *task)
         struct pid_namespace *ns;
 
         rcu_read_lock();
-        ns = get_pid_ns(task_active_pid_ns(task));
+        ns = task_active_pid_ns(task);
+        if (ns)
+                get_pid_ns(ns);
         rcu_read_unlock();
 
         return ns;