diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 92a285b1b96af58d3e756ce53a1819c6eb5be86c..3b162c656205c851f8cf83788db4c9066eba04fa 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -389,7 +389,7 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
 		state.err      = err_array;
 		ret = traverse_pages(m.num, sizeof(xen_pfn_t),
 				     &pagelist, mmap_return_errors_v1, &state);
-	} else
+	} else if (version == 2)
 		ret = __copy_to_user(m.err, err_array, m.num * sizeof(int));
 
 	/* If we have not had any EFAULT-like global errors then set the global