diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 9428ced..3745a31 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -462,6 +462,10 @@
 		return ret;
 
 	for (i = 0; i < count; i++) {
+		/* Do not add to override if the map failed. */
+		if (map_ops[i].status)
+			continue;
+
 		/* m2p override only supported for GNTMAP_contains_pte mappings */
 		if (!(map_ops[i].flags & GNTMAP_contains_pte))
 			continue;