return -ENOMEM;
        }
        ret = copy_from_user(exec_list,
-                            (struct drm_i915_relocation_entry __user *)
-                            (uintptr_t) args->buffers_ptr,
+                            (void __user *)(uintptr_t)args->buffers_ptr,
                             sizeof(*exec_list) * args->buffer_count);
        if (ret != 0) {
                DRM_DEBUG("copy %d exec entries failed %d\n",
                for (i = 0; i < args->buffer_count; i++)
                        exec_list[i].offset = exec2_list[i].offset;
                /* ... and back out to userspace */
-               ret = copy_to_user((struct drm_i915_relocation_entry __user *)
-                                  (uintptr_t) args->buffers_ptr,
+               ret = copy_to_user((void __user *)(uintptr_t)args->buffers_ptr,
                                   exec_list,
                                   sizeof(*exec_list) * args->buffer_count);
                if (ret) {
        ret = i915_gem_do_execbuffer(dev, data, file, args, exec2_list);
        if (!ret) {
                /* Copy the new buffer offsets back to the user's exec list. */
-               ret = copy_to_user((struct drm_i915_relocation_entry __user *)
-                                  (uintptr_t) args->buffers_ptr,
+               ret = copy_to_user((void __user *)(uintptr_t)args->buffers_ptr,
                                   exec2_list,
                                   sizeof(*exec2_list) * args->buffer_count);
                if (ret) {