drm/vmwgfx: Fix legacy surface reference size copyback



Surfaces created using the guest-backed surface interface only keeps the
base mip size, so only copy that if the legacy surface reference
ioctl requests the size information.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>

parent 0ccbbae4

drivers/gpu/drm/vmwgfx/vmwgfx_surface.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -908,8 +908,8 @@ int vmw_surface_reference_ioctl(struct drm_device dev, void data,
		rep->size_addr;

		if (user_sizes)
		ret = copy_to_user(user_sizes, srf->sizes,
		srf->num_sizes * sizeof(*srf->sizes));
		ret = copy_to_user(user_sizes, &srf->base_size,
		sizeof(srf->base_size));
		if (unlikely(ret != 0)) {
		DRM_ERROR("copy_to_user failed %p %u\n",
		user_sizes, srf->num_sizes);