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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>
This commit is contained in:
Thomas Hellstrom 2014-01-30 11:18:38 +01:00
parent 0ccbbae43c
commit c1a21373d2
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
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@ -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);