Some drivers leave these unimplemented, so don't make them have unimplemented stubs. Signed-off-by: Eric Anholt <eric@xxxxxxxxxx> --- drivers/gpu/drm/drm_prime.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index caf675e3e692..397b46b33739 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -409,7 +409,10 @@ void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf) struct drm_gem_object *obj = dma_buf->priv; struct drm_device *dev = obj->dev; - return dev->driver->gem_prime_vmap(obj); + if (dev->driver->gem_prime_vmap) + return dev->driver->gem_prime_vmap(obj); + else + return NULL; } EXPORT_SYMBOL(drm_gem_dmabuf_vmap); @@ -426,7 +429,8 @@ void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr) struct drm_gem_object *obj = dma_buf->priv; struct drm_device *dev = obj->dev; - dev->driver->gem_prime_vunmap(obj, vaddr); + if (dev->driver->gem_prime_vunmap) + dev->driver->gem_prime_vunmap(obj, vaddr); } EXPORT_SYMBOL(drm_gem_dmabuf_vunmap); -- 2.17.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
