Fix warnings caused by discarding const.

Hairy Eyeball At: peter

sys/netinet6/in6.c

@@ -1791,8 +1791,8 @@ ip6_sprintf(addr)
 	static char ip6buf[8][48];
 	int i;
 	char *cp;
-	u_short *a = (u_short *)addr;
-	u_char *d;
+	const u_short *a = (const u_short *)addr;
+	const u_char *d;
 	int dcolon = 0;
 
 	ip6round = (ip6round + 1) & 7;
@@ -1821,7 +1821,7 @@ ip6_sprintf(addr)
 			a++;
 			continue;
 		}
-		d = (u_char *)a;
+		d = (const u_char *)a;
 		*cp++ = digits[*d >> 4];
 		*cp++ = digits[*d++ & 0xf];
 		*cp++ = digits[*d >> 4];

sys/netinet6/in6_pcb.c

@@ -759,7 +759,8 @@ in6_mapped_peeraddr(struct socket *so, struct sockaddr **nam)
 void
 in6_pcbnotify(head, dst, fport_arg, src, lport_arg, cmd, notify)
 	struct inpcbhead *head;
-	struct sockaddr *dst, *src;
+	struct sockaddr *dst;
+	const struct sockaddr *src;
 	u_int fport_arg, lport_arg;
 	int cmd;
 	void (*notify) __P((struct inpcb *, int));
@@ -780,7 +781,7 @@ in6_pcbnotify(head, dst, fport_arg, src, lport_arg, cmd, notify)
 	/*
 	 * note that src can be NULL when we get notify by local fragmentation.
 	 */
-	sa6_src = (src == NULL) ? sa6_any : *(struct sockaddr_in6 *)src;
+	sa6_src = (src == NULL) ? sa6_any : *(const struct sockaddr_in6 *)src;
 	flowinfo = sa6_src.sin6_flowinfo;
 
 	/*

sys/netinet6/in6_pcb.h

@@ -91,7 +91,7 @@ struct	inpcb *
 				struct in6_addr *, u_int, struct in6_addr *,
 				u_int, int, struct ifnet *));
 void	in6_pcbnotify __P((struct inpcbhead *, struct sockaddr *,
-			   u_int, struct sockaddr *, u_int, int,
+			   u_int, const struct sockaddr *, u_int, int,
 			   void (*)(struct inpcb *, int)));
 void	in6_rtchange __P((struct inpcb *, int));
 int	in6_setpeeraddr __P((struct socket *so, struct sockaddr **nam));

sys/netinet6/in6_prefix.c

@@ -649,7 +649,7 @@ add_each_addr(struct socket *so, struct rr_prefix *rpp, struct rp_addr *rap)
 	if (rap->ra_flags.anycast != 0)
 		ifra.ifra_flags |= IN6_IFF_ANYCAST;
 	error = in6_control(so, SIOCAIFADDR_IN6, (caddr_t)&ifra, rpp->rp_ifp,
-			    curproc);
+			    curthread);
 	if (error != 0) {
 		log(LOG_ERR, "in6_prefix.c: add_each_addr: addition of an addr"
 		    "%s/%d failed because in6_control failed for error %d\n",

sys/netinet6/raw_ip6.c

@@ -279,7 +279,7 @@ rip6_ctlinput(cmd, sa, d)
 		sa6_src = &sa6_any;
 	}
 
-	(void) in6_pcbnotify(&ripcb, sa, 0, (struct sockaddr *)sa6_src,
+	(void) in6_pcbnotify(&ripcb, sa, 0, (const struct sockaddr *)sa6_src,
 			     0, cmd, notify);
 }
 

sys/netinet6/udp6_usrreq.c

@@ -453,7 +453,8 @@ udp6_ctlinput(cmd, sa, d)
 				     (struct sockaddr *)ip6cp->ip6c_src, 
 				     uh.uh_sport, cmd, notify);
 	} else
-		(void) in6_pcbnotify(&udb, sa, 0, (struct sockaddr *)sa6_src,
+		(void) in6_pcbnotify(&udb, sa, 0,
+				     (const struct sockaddr *)sa6_src,
 				     0, cmd, notify);
 }