vmw_user_bo_lookup
int ret = vmw_user_bo_lookup(filp, handle, &vmw_bo);
ret = vmw_user_bo_lookup(file_priv, arg->handle, &vbo);
int vmw_user_bo_lookup(struct drm_file *filp,
ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);
ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);
ret = vmw_user_bo_lookup(file_priv, arg->handle, &buf);
ret = vmw_user_bo_lookup(file_priv, handle, &vbo);
ret = vmw_user_bo_lookup(filp, handle, &uo->buffer);
ret = vmw_user_bo_lookup(file_priv, buffer_handle, &buffer);
ret = vmw_user_bo_lookup(file_priv, req->base.buffer_handle,
ret = vmw_user_bo_lookup(file_priv, *handle, &bo);