Commit a61b6024 authored by Linus Torvalds's avatar Linus Torvalds

Clean up ptrace child exit case.

This also fixes it for when the real parent is ignoring
SIGCHLD - noted by David Mosberger.
parent 6bf1545b
......@@ -1018,19 +1018,16 @@ static int wait_task_zombie(task_t *p, unsigned int __user *stat_addr, struct ru
if (p->real_parent != p->parent) {
__ptrace_unlink(p);
p->state = TASK_ZOMBIE;
/* If this is a detached thread, this is where it goes away. */
if (p->exit_signal == -1) {
/* release_task takes the lock itself. */
write_unlock_irq(&tasklist_lock);
release_task (p);
}
else {
/*
* If this is not a detached task, notify the parent. If it's
* still not detached after that, don't release it now.
*/
if (p->exit_signal != -1) {
do_notify_parent(p, p->exit_signal);
write_unlock_irq(&tasklist_lock);
}
if (p->exit_signal != -1)
p = NULL;
}
else
}
write_unlock_irq(&tasklist_lock);
}
if (p != NULL)
......
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