Index: stable/10/sys/xen/xenbus/xenbusb.c
===================================================================
--- stable/10/sys/xen/xenbus/xenbusb.c
+++ stable/10/sys/xen/xenbus/xenbusb.c
@@ -561,7 +561,6 @@
 	struct xenbusb_softc *xbs;
 	device_t dev;
 	char *node;
-	char *bus;
 	char *type;
 	char *id;
 	char *p;
@@ -580,7 +579,6 @@
 	p = strchr(node, '/');
 	if (p == NULL)
 		goto out;
-	bus = node;
 	*p = 0;
 	type = p + 1;