summaryrefslogtreecommitdiff
path: root/kernel/pid.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/pid.c')
-rw-r--r--kernel/pid.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/pid.c b/kernel/pid.c
index e11144466828..62461c7c82b8 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -349,6 +349,11 @@ static void __change_pid(struct task_struct *task, enum pid_type type,
hlist_del_rcu(&task->pid_links[type]);
*pid_ptr = new;
+ if (type == PIDTYPE_PID) {
+ WARN_ON_ONCE(pid_has_task(pid, PIDTYPE_PID));
+ wake_up_all(&pid->wait_pidfd);
+ }
+
for (tmp = PIDTYPE_MAX; --tmp >= 0; )
if (pid_has_task(pid, tmp))
return;