2 files changed, 8 insertions, 2 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 7b8f2a78be3d..4018308048cf 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1126,12 +1126,12 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 
         if (pid != &init_struct_pid) {
                 retval = -ENOMEM;
-                pid = alloc_pid(task_active_pid_ns(p));
+                pid = alloc_pid(p->nsproxy->pid_ns);
                 if (!pid)
                         goto bad_fork_cleanup_io;
 
                 if (clone_flags & CLONE_NEWPID) {
-                        retval = pid_ns_prepare_proc(task_active_pid_ns(p));
+                        retval = pid_ns_prepare_proc(p->nsproxy->pid_ns);
                         if (retval < 0)
                                 goto bad_fork_free_pid;
                 }
diff --git a/kernel/pid.c b/kernel/pid.c
index af9224cdd6c0..1b3586fe753a 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -474,6 +474,12 @@ pid_t task_session_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
 }
 EXPORT_SYMBOL(task_session_nr_ns);
 
+struct pid_namespace *task_active_pid_ns(struct task_struct *tsk)
+{
+        return ns_of_pid(task_pid(tsk));
+}
+EXPORT_SYMBOL_GPL(task_active_pid_ns);
+
 /*
  * Used by proc to find the first pid that is greater than or equal to nr.
  *