[PATCH 1/2] wait_task_zombie: remove unneeded child->signal check

[Oleg Nesterov]

A zombie must have a valid ->signal, we are going to release it and
__exit_signal() starts with BUG_ON(!sig).

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

--- t/kernel/exit.c~1_SIGCK	2007-08-05 18:43:00.000000000 +0400
+++ t/kernel/exit.c	2007-08-05 18:46:00.000000000 +0400
@@ -1210,7 +1210,7 @@ static int wait_task_zombie(struct task_
 		return 0;
 	}
 
-	if (likely(p->real_parent == p->parent) && likely(p->signal)) {
+	if (likely(p->real_parent == p->parent)) {
 		struct signal_struct *psig;
 		struct signal_struct *sig;
 

-
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