diff options
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index efc5493203ae..1b94965293da 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1787,22 +1787,18 @@ static void pidfd_show_fdinfo(struct seq_file *m, struct file *f) */ static __poll_t pidfd_poll(struct file *file, struct poll_table_struct *pts) { - struct task_struct *task; struct pid *pid = file->private_data; __poll_t poll_flags = 0; poll_wait(file, &pid->wait_pidfd, pts); - rcu_read_lock(); - task = pid_task(pid, PIDTYPE_PID); /* * Inform pollers only when the whole thread group exits. * If the thread group leader exits before all other threads in the * group, then poll(2) should block, similar to the wait(2) family. */ - if (!task || (task->exit_state && thread_group_empty(task))) + if (thread_group_exited(pid)) poll_flags = EPOLLIN | EPOLLRDNORM; - rcu_read_unlock(); return poll_flags; } |