drm/nouveau: move dereferences after null checks

[cascardo/linux.git] / drivers / gpu / drm / nouveau / nv50_crtc.c

diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index 40b7360..d1a651e 100644 (file)
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -298,14 +298,17 @@ nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk)
 static void
 nv50_crtc_destroy(struct drm_crtc *crtc)
 {
-       struct drm_device *dev = crtc->dev;
-       struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-
-       NV_DEBUG_KMS(dev, "\n");
+       struct drm_device *dev;
+       struct nouveau_crtc *nv_crtc;
 
        if (!crtc)
                return;
 
+       dev = crtc->dev;
+       nv_crtc = nouveau_crtc(crtc);
+
+       NV_DEBUG_KMS(dev, "\n");
+
        drm_crtc_cleanup(&nv_crtc->base);
 
        nv50_cursor_fini(nv_crtc);