[PATCH] __group_complete_signal: remove bogus BUG_ON

Commit	e56d090310d7625ecb43a1eeebd479f04affb48b
[PATCH] RCU signal handling

made this BUG_ON() unsafe. This code runs under ->siglock,
while switch_exec_pids() takes tasklist_lock.

Signed-off-by: Oleg Nesterov <[email protected]>

--- 2.6.16/kernel/signal.c~	2006-02-13 21:47:19.000000000 +0300
+++ 2.6.16/kernel/signal.c	2006-04-11 21:53:03.000000000 +0400
@@ -975,7 +975,6 @@ __group_complete_signal(int sig, struct 
 		if (t == NULL)
 			/* restart balancing at this thread */
 			t = p->signal->curr_target = p;
-		BUG_ON(t->tgid != p->tgid);
 
 		while (!wants_signal(sig, t)) {
 			t = next_thread(t);

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