sctp: fix compile issue with disabled CONFIG_NET_NS

struct seq_net_private has no struct net
if CONFIG_NET_NS is not enabled
Signed-off-by: Ulrich Weber <ulrich.weber@sophos.com>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/proc.c

@@ -199,7 +199,6 @@ static void * sctp_eps_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 /* Display sctp endpoints (/proc/net/sctp/eps). */
 static int sctp_eps_seq_show(struct seq_file *seq, void *v)
 {
-	struct seq_net_private *priv = seq->private;
 	struct sctp_hashbucket *head;
 	struct sctp_ep_common *epb;
 	struct sctp_endpoint *ep;
@@ -216,7 +215,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
 	sctp_for_each_hentry(epb, node, &head->chain) {
 		ep = sctp_ep(epb);
 		sk = epb->sk;
-		if (!net_eq(sock_net(sk), priv->net))
+		if (!net_eq(sock_net(sk), seq_file_net(seq)))
 			continue;
 		seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
 			   sctp_sk(sk)->type, sk->sk_state, hash,
@@ -307,7 +306,6 @@ static void * sctp_assocs_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 /* Display sctp associations (/proc/net/sctp/assocs). */
 static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
 {
-	struct seq_net_private *priv = seq->private;
 	struct sctp_hashbucket *head;
 	struct sctp_ep_common *epb;
 	struct sctp_association *assoc;
@@ -324,7 +322,7 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
 	sctp_for_each_hentry(epb, node, &head->chain) {
 		assoc = sctp_assoc(epb);
 		sk = epb->sk;
-		if (!net_eq(sock_net(sk), priv->net))
+		if (!net_eq(sock_net(sk), seq_file_net(seq)))
 			continue;
 		seq_printf(seq,
 			   "%8pK %8pK %-3d %-3d %-2d %-4d "
@@ -423,7 +421,6 @@ static void sctp_remaddr_seq_stop(struct seq_file *seq, void *v)
 
 static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
 {
-	struct seq_net_private *priv = seq->private;
 	struct sctp_hashbucket *head;
 	struct sctp_ep_common *epb;
 	struct sctp_association *assoc;
@@ -438,7 +435,7 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
 	sctp_local_bh_disable();
 	read_lock(&head->lock);
 	sctp_for_each_hentry(epb, node, &head->chain) {
-		if (!net_eq(sock_net(epb->sk), priv->net))
+		if (!net_eq(sock_net(epb->sk), seq_file_net(seq)))
 			continue;
 		assoc = sctp_assoc(epb);
 		list_for_each_entry(tsp, &assoc->peer.transport_addr_list,