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wait_task_zombie: remove unneeded child->signal check

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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@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov 2007-10-16 23:26:57 -07:00 committed by Linus Torvalds
parent a8b0ac0873
commit 407af46a96
1 changed files with 1 additions and 1 deletions
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2
kernel/exit.c
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@ -1201,7 +1201,7 @@ static int wait_task_zombie(struct task_struct *p, int noreap,
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;