wait_task_stopped/continued: remove unneeded p->signal != NULL check

[linux-2.6] / kernel / signal.c

diff --git a/kernel/signal.c b/kernel/signal.c
index 7929523810928d9aa405aa74cb2e390a6083491f..90e2efad33ae00b5c949bab04107a86f3baa0e13 100644 (file)
--- 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
@@ -2335,7 +2329,6 @@ 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);
                }