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Diffstat (limited to 'kernel/signal.c')
-rw-r--r--kernel/signal.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 4922928d91f..e5f8aea78ff 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. */
@@ -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;