commit b5e2f4e6998a2b999da8fa0290b692f0bd85c8b7
author Xin Long <lucien.xin@gmail.com> Thu Apr 14 15:35:34 2016 +0800
committer David S. Miller <davem@davemloft.net> Fri Apr 15 17:29:36 2016 -0400
tree 08da79646ae423c79c8ebc3ed46e5fa6760084a5
parent 8f840e47f190cbe61a96945c13e9551048d42cef

sctp: merge the seq_start/next/exits in remaddrs and assocs

In sctp proc, these three functions in remaddrs and assocs are the
same. we should merge them into one.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/proc.c

diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index dd8492f..9fe1393 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -282,7 +282,7 @@
 	struct rhashtable_iter hti;
 };
 
-static void *sctp_assocs_seq_start(struct seq_file *seq, loff_t *pos)
+static void *sctp_transport_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	struct sctp_ht_iter *iter = seq->private;
 	int err = sctp_transport_walk_start(&iter->hti);
@@ -293,14 +293,14 @@
 	return sctp_transport_get_idx(seq_file_net(seq), &iter->hti, *pos);
 }
 
-static void sctp_assocs_seq_stop(struct seq_file *seq, void *v)
+static void sctp_transport_seq_stop(struct seq_file *seq, void *v)
 {
 	struct sctp_ht_iter *iter = seq->private;
 
 	sctp_transport_walk_stop(&iter->hti);
 }
 
-static void *sctp_assocs_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+static void *sctp_transport_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	struct sctp_ht_iter *iter = seq->private;
 
@@ -367,9 +367,9 @@
 }
 
 static const struct seq_operations sctp_assoc_ops = {
-	.start = sctp_assocs_seq_start,
-	.next  = sctp_assocs_seq_next,
-	.stop  = sctp_assocs_seq_stop,
+	.start = sctp_transport_seq_start,
+	.next  = sctp_transport_seq_next,
+	.stop  = sctp_transport_seq_stop,
 	.show  = sctp_assocs_seq_show,
 };
 
@@ -406,33 +406,6 @@
 	remove_proc_entry("assocs", net->sctp.proc_net_sctp);
 }
 
-static void *sctp_remaddr_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	struct sctp_ht_iter *iter = seq->private;
-	int err = sctp_transport_walk_start(&iter->hti);
-
-	if (err)
-		return ERR_PTR(err);
-
-	return sctp_transport_get_idx(seq_file_net(seq), &iter->hti, *pos);
-}
-
-static void *sctp_remaddr_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	struct sctp_ht_iter *iter = seq->private;
-
-	++*pos;
-
-	return sctp_transport_get_next(seq_file_net(seq), &iter->hti);
-}
-
-static void sctp_remaddr_seq_stop(struct seq_file *seq, void *v)
-{
-	struct sctp_ht_iter *iter = seq->private;
-
-	sctp_transport_walk_stop(&iter->hti);
-}
-
 static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
 {
 	struct sctp_association *assoc;
@@ -506,9 +479,9 @@
 }
 
 static const struct seq_operations sctp_remaddr_ops = {
-	.start = sctp_remaddr_seq_start,
-	.next  = sctp_remaddr_seq_next,
-	.stop  = sctp_remaddr_seq_stop,
+	.start = sctp_transport_seq_start,
+	.next  = sctp_transport_seq_next,
+	.stop  = sctp_transport_seq_stop,
 	.show  = sctp_remaddr_seq_show,
 };