old_rb 5469 kernel/events/core.c struct ring_buffer *old_rb = NULL; old_rb 5479 kernel/events/core.c old_rb = event->rb; old_rb 5480 kernel/events/core.c spin_lock_irqsave(&old_rb->event_lock, flags); old_rb 5482 kernel/events/core.c spin_unlock_irqrestore(&old_rb->event_lock, flags); old_rb 5514 kernel/events/core.c if (old_rb) { old_rb 5515 kernel/events/core.c ring_buffer_put(old_rb);