diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 55f4c060fa01..ff0d94dd3550 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2634,15 +2634,6 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 
 	i915_verify_inactive(dev, __FILE__, __LINE__);
 
-	/* 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,
-			   exec_list,
-			   sizeof(*exec_list) * args->buffer_count);
-	if (ret)
-		DRM_ERROR("failed to copy %d exec entries "
-			  "back to user (%d)\n",
-			   args->buffer_count, ret);
 err:
 	for (i = 0; i < pinned; i++)
 		i915_gem_object_unpin(object_list[i]);
@@ -2652,6 +2643,18 @@ err:
 
 	mutex_unlock(&dev->struct_mutex);
 
+	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,
+				   exec_list,
+				   sizeof(*exec_list) * args->buffer_count);
+		if (ret)
+			DRM_ERROR("failed to copy %d exec entries "
+				  "back to user (%d)\n",
+				  args->buffer_count, ret);
+	}
+
 pre_mutex_err:
 	drm_free(object_list, sizeof(*object_list) * args->buffer_count,
 		 DRM_MEM_DRIVER);