Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[sfrench/cifs-2.6.git] / kernel / signal.c

diff --git a/kernel/signal.c b/kernel/signal.c
index 4922928d91f68d1c1b7812bb77508a51d0f9e722..e5f8aea78ffebd71a1322ca8279321aac3b077e6 100644 (file)
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -769,8 +769,7 @@ specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t)
 {
        int ret = 0;
 
-       if (!irqs_disabled())
-               BUG();
+       BUG_ON(!irqs_disabled());
        assert_spin_locked(&t->sighand->siglock);
 
        /* Short-circuit ignored signals.  */
@@ -869,7 +868,6 @@ __group_complete_signal(int sig, struct task_struct *p)
                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);
@@ -1384,8 +1382,7 @@ send_group_sigqueue(int sig, struct sigqueue *q, struct task_struct *p)
                 * the overrun count.  Other uses should not try to
                 * send the signal multiple times.
                 */
-               if (q->info.si_code != SI_TIMER)
-                       BUG();
+               BUG_ON(q->info.si_code != SI_TIMER);
                q->info.si_overrun++;
                goto out;
        } 
@@ -1560,6 +1557,7 @@ static void ptrace_stop(int exit_code, int nostop_code, siginfo_t *info)
        /* Let the debugger run.  */
        set_current_state(TASK_TRACED);
        spin_unlock_irq(&current->sighand->siglock);
+       try_to_freeze();
        read_lock(&tasklist_lock);
        if (likely(current->ptrace & PT_PTRACED) &&
            likely(current->parent != current->real_parent ||
@@ -1756,9 +1754,9 @@ relock:
                        /* Let the debugger run.  */
                        ptrace_stop(signr, signr, info);
 
-                       /* We're back.  Did the debugger cancel the sig or group_exit? */
+                       /* We're back.  Did the debugger cancel the sig?  */
                        signr = current->exit_code;
-                       if (signr == 0 || current->signal->flags & SIGNAL_GROUP_EXIT)
+                       if (signr == 0)
                                continue;
 
                        current->exit_code = 0;