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-rw-r--r--kernel/pid.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/pid.c b/kernel/pid.c
index 14e908f2f0cb..f62a7df2f04c 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -514,7 +514,8 @@ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
rcu_read_lock();
if (!ns)
ns = task_active_pid_ns(current);
- nr = pid_nr_ns(rcu_dereference(*task_pid_ptr(task, type)), ns);
+ if (ns)
+ nr = pid_nr_ns(rcu_dereference(*task_pid_ptr(task, type)), ns);
rcu_read_unlock();
return nr;