diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
index 85560c729703d44d1b49db38ba946b50c3cd18b8..0c2a50a1ec002d603bdb54228c576f12f6134194 100644
--- a/drivers/staging/ipack/bridges/tpci200.c
+++ b/drivers/staging/ipack/bridges/tpci200.c
@@ -628,7 +628,7 @@ static int tpci200_slot_unregister(struct ipack_device *dev)
 static int tpci200_slot_map_space(struct ipack_device *dev,
 				  unsigned int memory_size, int space)
 {
-	int res;
+	int res = 0;
 	unsigned int size_to_map;
 	void __iomem *phys_address;
 	struct ipack_addr_space *virt_addr_space;