drm: fix send_vblank_event use-after-free error

[cascardo/linux.git] / drivers / gpu / drm / drm_irq.c

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 76e39c5..8ca3d2b 100644 (file)
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -994,10 +994,10 @@ static void send_vblank_event(struct drm_device *dev,
        e->event.tv_sec = now->tv_sec;
        e->event.tv_usec = now->tv_usec;
 
-       drm_send_event_locked(dev, &e->base);
-
        trace_drm_vblank_event_delivered(e->base.pid, e->pipe,
                                         e->event.sequence);
+
+       drm_send_event_locked(dev, &e->base);
 }
 
 /**