ifnet: garbage collect unused function ifaddr_byindex().

Last use was removed in 5adea417d4.

sys/net/if.c

@@ -412,20 +412,6 @@ ifnet_byindexgen(uint16_t idx, uint16_t gen)
 		return (NULL);
 }
 
-struct ifaddr *
-ifaddr_byindex(u_short idx)
-{
-	struct ifnet *ifp;
-	struct ifaddr *ifa = NULL;
-
-	NET_EPOCH_ASSERT();
-
-	ifp = ifnet_byindex(idx);
-	if (ifp != NULL && (ifa = ifp->if_addr) != NULL)
-		ifa_ref(ifa);
-	return (ifa);
-}
-
 /*
  * Network interface utility routines.
  *

sys/net/if_var.h

@@ -373,7 +373,7 @@ struct ifnet {
 		 * addresses which store the link-level address and the name
 		 * of the interface.
 		 * However, access to the AF_LINK address through this
-		 * field is deprecated. Use if_addr or ifaddr_byindex() instead.
+		 * field is deprecated. Use if_addr instead.
 		 */
 	struct	ifaddrhead if_addrhead;	/* linked list of addresses per if */
 	struct	ifmultihead if_multiaddrs; /* multicast addresses configured */
@@ -651,13 +651,6 @@ struct ifnet	*ifnet_byindex_ref(u_int);
  */
 struct ifnet   *ifnet_byindexgen(uint16_t idx, uint16_t gen);
 
-/*
- * Given the index, ifaddr_byindex() returns the one and only
- * link-level ifaddr for the interface. You are not supposed to use
- * it to traverse the list of addresses associated to the interface.
- */
-struct ifaddr	*ifaddr_byindex(u_short idx);
-
 VNET_DECLARE(struct ifnethead, ifnet);
 VNET_DECLARE(struct ifgrouphead, ifg_head);
 VNET_DECLARE(struct ifnet *, loif);	/* first loopback interface */