[PATCH] has_stopped_jobs() cleanup

This check has been obsolete since the introduction of TASK_TRACED.  Now
TASK_STOPPED always means job control stop.
Signed-off-by: NRoland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

kernel/exit.c

@@ -249,17 +249,6 @@ static int has_stopped_jobs(int pgrp)
 	do_each_task_pid(pgrp, PIDTYPE_PGID, p) {
 		if (p->state != TASK_STOPPED)
 			continue;
-
-		/* If p is stopped by a debugger on a signal that won't
-		   stop it, then don't count p as stopped.  This isn't
-		   perfect but it's a good approximation.  */
-		if (unlikely (p->ptrace)
-		    && p->exit_code != SIGSTOP
-		    && p->exit_code != SIGTSTP
-		    && p->exit_code != SIGTTOU
-		    && p->exit_code != SIGTTIN)
-			continue;
-
 		retval = 1;
 		break;
 	} while_each_task_pid(pgrp, PIDTYPE_PGID, p);