sctp: remove useless arguments from get_saddr() call

There is no point in passing a destination address to
a get_saddr() call.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/sctp/structs.h

@@ -571,7 +571,6 @@ struct sctp_af {
 					 struct sock *sk);
 	void		(*get_saddr)	(struct sctp_sock *sk,
 					 struct sctp_transport *t,
-					 union sctp_addr *daddr,
 					 struct flowi *fl);
 	void		(*copy_addrlist) (struct list_head *,
 					  struct net_device *);

net/sctp/ipv6.c

@@ -365,15 +365,12 @@ static inline int sctp_v6_addr_match_len(union sctp_addr *s1,
  */
 static void sctp_v6_get_saddr(struct sctp_sock *sk,
 			      struct sctp_transport *t,
-			      union sctp_addr *daddr,
 			      struct flowi *fl)
 {
 	struct flowi6 *fl6 = &fl->u.ip6;
 	union sctp_addr *saddr = &t->saddr;
 
-	SCTP_DEBUG_PRINTK("%s: asoc:%p dst:%p daddr:%pI6 ",
-			  __func__, t->asoc, t->dst, &daddr->v6.sin6_addr);
-
+	SCTP_DEBUG_PRINTK("%s: asoc:%p dst:%p\n", __func__, t->asoc, t->dst);
 
 	if (t->dst) {
 		saddr->v6.sin6_family = AF_INET6;

net/sctp/protocol.c

@@ -562,7 +562,6 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
  */
 static void sctp_v4_get_saddr(struct sctp_sock *sk,
 			      struct sctp_transport *t,
-			      union sctp_addr *daddr,
 			      struct flowi *fl)
 {
 	union sctp_addr *saddr = &t->saddr;

net/sctp/transport.c

@@ -284,7 +284,7 @@ void sctp_transport_route(struct sctp_transport *transport,
 	if (saddr)
 		memcpy(&transport->saddr, saddr, sizeof(union sctp_addr));
 	else
-		af->get_saddr(opt, transport, daddr, &fl);
+		af->get_saddr(opt, transport, &fl);
 
 	if ((transport->param_flags & SPP_PMTUD_DISABLE) && transport->pathmtu) {
 		return;