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authorThomas Hellstrom <thellstrom@vmware.com>2014-01-30 10:18:38 (GMT)
committerThomas Hellstrom <thellstrom@vmware.com>2014-02-05 07:38:03 (GMT)
commitc1a21373d2cb94a7808161a8c237b249cd799ce7 (patch)
treef999c8a9567b1aac1ee524748da9dd0dfdd61c11
parent0ccbbae43c2dfe45ded1d7ed59b8fc7ac8214fb0 (diff)
downloadlinux-c1a21373d2cb94a7808161a8c237b249cd799ce7.tar.xz
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>
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_surface.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 979da1c..ec2b998 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -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);