[SCTP]: "list_for_each()" -> "list_for_each_entry()" where appropriate.

Replacing (almost) all invocations of list_for_each() with
list_for_each_entry() tightens up the code and allows for the deletion
of numerous list iterator variables that are no longer necessary.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index b534dbe..6222848 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1226,7 +1226,6 @@
 				       sctp_cmd_seq_t *commands)
 {
 	struct sctp_transport *new_addr, *addr;
-	struct list_head *pos, *pos2;
 	int found;
 
 	/* Implementor's Guide - Sectin 5.2.2
@@ -1243,12 +1242,11 @@
 	new_addr = NULL;
 	found = 0;
 
-	list_for_each(pos, &new_asoc->peer.transport_addr_list) {
-		new_addr = list_entry(pos, struct sctp_transport, transports);
+	list_for_each_entry(new_addr, &new_asoc->peer.transport_addr_list,
+			transports) {
 		found = 0;
-		list_for_each(pos2, &asoc->peer.transport_addr_list) {
-			addr = list_entry(pos2, struct sctp_transport,
-					  transports);
+		list_for_each_entry(addr, &asoc->peer.transport_addr_list,
+				transports) {
 			if (sctp_cmp_addr_exact(&new_addr->ipaddr,
 						&addr->ipaddr)) {
 				found = 1;