Index: src/southbridge/nvidia/mcp55/mcp55_early_setup_car.c
===================================================================
--- src/southbridge/nvidia/mcp55/mcp55_early_setup_car.c	(revision 5987)
+++ src/southbridge/nvidia/mcp55/mcp55_early_setup_car.c	(working copy)
@@ -363,9 +363,9 @@
 static int mcp55_early_setup_x(void)
 {
 	/*find out how many mcp55 we have */
-	unsigned busn[HT_CHAIN_NUM_MAX];
-	unsigned devn[HT_CHAIN_NUM_MAX];
-	unsigned io_base[HT_CHAIN_NUM_MAX];
+	unsigned busn[HT_CHAIN_NUM_MAX] = {0};
+	unsigned devn[HT_CHAIN_NUM_MAX] = {0};
+	unsigned io_base[HT_CHAIN_NUM_MAX] = {0};
 	/*
 		FIXME: May have problem if there is different MCP55 HTX card with different PCI_E lane allocation
 		Need to use same trick about pci1234 to verify node/link connection