staging: unisys: remove pointless init of rc in chipset_device_create()

The value of rc is set by calling a function, so there's no need to
initialize it to -1, or anything at all.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorbus/visorbus_main.c

@@ -1320,7 +1320,7 @@ chipset_bus_destroy(struct visor_device *dev)
 static void
 chipset_device_create(struct visor_device *dev_info)
 {
-	int rc = -1;
+	int rc;
 	u32 bus_no = dev_info->chipset_bus_no;
 	u32 dev_no = dev_info->chipset_dev_no;