static inline struct nouveau_crtc *nouveau_crtc(struct drm_crtc *crtc)
{
- return container_of(crtc, struct nouveau_crtc, base);
+ return crtc ? container_of(crtc, struct nouveau_crtc, base) : NULL;
}
static inline struct drm_crtc *to_drm_crtc(struct nouveau_crtc *crtc)