diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index fd725cd..4f44b34 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -82,7 +82,7 @@
 static int get_free_entries(unsigned count)
 {
 	unsigned long flags;
-	int ref, rc;
+	int ref, rc = 0;
 	grant_ref_t head;
 
 	spin_lock_irqsave(&gnttab_list_lock, flags);