1 files changed, 4 insertions, 20 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index 79295238109..2124ffadcfd 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -909,8 +909,7 @@ __group_complete_signal(int sig, struct task_struct *p)
 			do {
 				sigaddset(&t->pending.signal, SIGKILL);
 				signal_wake_up(t, 1);
-				t = next_thread(t);
-			} while (t != p);
+			} while_each_thread(p, t);
 			return;
 		}
 
@@ -928,13 +927,11 @@ __group_complete_signal(int sig, struct task_struct *p)
 		rm_from_queue(SIG_KERNEL_STOP_MASK, &p->signal->shared_pending);
 		p->signal->group_stop_count = 0;
 		p->signal->group_exit_task = t;
-		t = p;
+		p = t;
 		do {
 			p->signal->group_stop_count++;
-			signal_wake_up(t, 0);
-			t = next_thread(t);
-		} while (t != p);
-		wake_up_process(p->signal->group_exit_task);
+			signal_wake_up(t, t == p);
+		} while_each_thread(p, t);
 		return;
 	}
 
@@ -985,9 +982,6 @@ void zap_other_threads(struct task_struct *p)
 	p->signal->flags = SIGNAL_GROUP_EXIT;
 	p->signal->group_stop_count = 0;
 
-	if (thread_group_empty(p))
-		return;
-
 	for (t = next_thread(p); t != p; t = next_thread(t)) {
 		/*
 		 * Don't bother with already dead threads
@@ -2300,15 +2294,6 @@ int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
 	k = &current->sighand->action[sig-1];
 
 	spin_lock_irq(&current->sighand->siglock);
-	if (signal_pending(current)) {
-		/*
-		 * If there might be a fatal signal pending on multiple
-		 * threads, make sure we take it before changing the action.
-		 */
-		spin_unlock_irq(&current->sighand->siglock);
-		return -ERESTARTNOINTR;
-	}
-
 	if (oact)
 		*oact = *k;
 
@@ -2335,7 +2320,6 @@ int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
 			rm_from_queue_full(&mask, &t->signal->shared_pending);
 			do {
 				rm_from_queue_full(&mask, &t->pending);
-				recalc_sigpending_and_wake(t);
 				t = next_thread(t);
 			} while (t != current);
 		}