[UDP]: Move seq_ops from udp_iter_state to udp_seq_afinfo.

No need to create seq_operations for each instance of 'netstat'.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 6 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index eb0c64da2634..bae94b3eaa43 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1591,13 +1591,9 @@ static int udp_seq_open(struct inode *inode, struct file *file)
 
         s->family               = afinfo->family;
         s->hashtable            = afinfo->hashtable;
-        s->seq_ops.start        = udp_seq_start;
-        s->seq_ops.next         = udp_seq_next;
-        s->seq_ops.show         = afinfo->seq_show;
-        s->seq_ops.stop         = udp_seq_stop;
         s->p.net                = net;
 
-        rc = seq_open(file, &s->seq_ops);
+        rc = seq_open(file, &afinfo->seq_ops);
         if (rc)
                 goto out_put_net;
 
@@ -1634,6 +1630,10 @@ int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
         afinfo->seq_fops->llseek        = seq_lseek;
         afinfo->seq_fops->release       = udp_seq_release;
 
+        afinfo->seq_ops.start           = udp_seq_start;
+        afinfo->seq_ops.next            = udp_seq_next;
+        afinfo->seq_ops.stop            = udp_seq_stop;
+
         p = proc_net_fops_create(net, afinfo->name, S_IRUGO, afinfo->seq_fops);
         if (p)
                 p->data = afinfo;
@@ -1690,8 +1690,10 @@ static struct udp_seq_afinfo udp4_seq_afinfo = {
         .name           = "udp",
         .family         = AF_INET,
         .hashtable      = udp_hash,
-        .seq_show       = udp4_seq_show,
         .seq_fops       = &udp4_seq_fops,
+        .seq_ops        = {
+                .show           = udp4_seq_show,
+        },
 };
 
 static int udp4_proc_init_net(struct net *net)