drm/nouveau: call drm_vblank_cleanup() earlier
Fixes a NULL-ptr deref seen on module unload sometimes.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index a22d019..b4262ad 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -74,14 +74,14 @@
struct nouveau_display *disp = nouveau_display(dev);
int i;
+ drm_vblank_cleanup(dev);
+
if (disp->vblank) {
for (i = 0; i < dev->mode_config.num_crtc; i++)
nouveau_event_ref(NULL, &disp->vblank[i]);
kfree(disp->vblank);
disp->vblank = NULL;
}
-
- drm_vblank_cleanup(dev);
}
static int