1 files changed, 3 insertions, 4 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index 4922928d91f6..5ccaac505e8d 100644
--- 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.  */
@@ -1384,8 +1383,7 @@ 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 +1558,7 @@ 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 ||