signal: turn dequeue_signal_lock() into kernel_dequeue_signal()

[firefly-linux-kernel-4.4.55.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 923ec1a9b2b4fd1039c877167be3c2b390c4e53a..3d54924b4b86ca73bfb246bbcb90e07394b43663 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2462,14 +2462,15 @@ extern void ignore_signals(struct task_struct *);
 extern void flush_signal_handlers(struct task_struct *, int force_default);
 extern int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info);
 
-static inline int dequeue_signal_lock(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
+static inline int kernel_dequeue_signal(siginfo_t *info)
 {
-       unsigned long flags;
+       struct task_struct *tsk = current;
+       siginfo_t __info;
        int ret;
 
-       spin_lock_irqsave(&tsk->sighand->siglock, flags);
-       ret = dequeue_signal(tsk, mask, info);
-       spin_unlock_irqrestore(&tsk->sighand->siglock, flags);
+       spin_lock_irq(&tsk->sighand->siglock);
+       ret = dequeue_signal(tsk, &tsk->blocked, info ?: &__info);
+       spin_unlock_irq(&tsk->sighand->siglock);
 
        return ret;
 }