8 files changed, 75 insertions, 41 deletions

diff --git a/include/net/tcp.h b/include/net/tcp.h
index e147f42d643d..bb18c4d69aba 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1403,11 +1403,13 @@ enum tcp_seq_states {
         TCP_SEQ_STATE_TIME_WAIT,
 };
 
+int tcp_seq_open(struct inode *inode, struct file *file);
+
 struct tcp_seq_afinfo {
-        char                    *name;
-        sa_family_t             family;
-        struct file_operations  seq_fops;
-        struct seq_operations   seq_ops;
+        char                            *name;
+        sa_family_t                     family;
+        const struct file_operations    *seq_fops;
+        struct seq_operations           seq_ops;
 };
 
 struct tcp_iter_state {
diff --git a/include/net/udp.h b/include/net/udp.h
index 67ea6fcb3ec0..3b285f402f48 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -230,12 +230,14 @@ extern struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *sadd
 #endif
 
 /* /proc */
+int udp_seq_open(struct inode *inode, struct file *file);
+
 struct udp_seq_afinfo {
-        char                    *name;
-        sa_family_t             family;
-        struct udp_table        *udp_table;
-        struct file_operations  seq_fops;
-        struct seq_operations   seq_ops;
+        char                            *name;
+        sa_family_t                     family;
+        struct udp_table                *udp_table;
+        const struct file_operations    *seq_fops;
+        struct seq_operations           seq_ops;
 };
 
 struct udp_iter_state {
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 0ea10eefa60f..939c55eceb5b 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2339,7 +2339,7 @@ static void tcp_seq_stop(struct seq_file *seq, void *v)
         }
 }
 
-static int tcp_seq_open(struct inode *inode, struct file *file)
+int tcp_seq_open(struct inode *inode, struct file *file)
 {
         struct tcp_seq_afinfo *afinfo = PDE(inode)->data;
         struct tcp_iter_state *s;
@@ -2355,23 +2355,19 @@ static int tcp_seq_open(struct inode *inode, struct file *file)
         s->last_pos             = 0;
         return 0;
 }
+EXPORT_SYMBOL(tcp_seq_open);
 
 int tcp_proc_register(struct net *net, struct tcp_seq_afinfo *afinfo)
 {
         int rc = 0;
         struct proc_dir_entry *p;
 
-        afinfo->seq_fops.open           = tcp_seq_open;
-        afinfo->seq_fops.read           = seq_read;
-        afinfo->seq_fops.llseek         = seq_lseek;
-        afinfo->seq_fops.release        = seq_release_net;
-
         afinfo->seq_ops.start           = tcp_seq_start;
         afinfo->seq_ops.next            = tcp_seq_next;
         afinfo->seq_ops.stop            = tcp_seq_stop;
 
         p = proc_create_data(afinfo->name, S_IRUGO, net->proc_net,
-                             &afinfo->seq_fops, afinfo);
+                             afinfo->seq_fops, afinfo);
         if (!p)
                 rc = -ENOMEM;
         return rc;
@@ -2520,12 +2516,18 @@ out:
         return 0;
 }
 
+static const struct file_operations tcp_afinfo_seq_fops = {
+        .owner   = THIS_MODULE,
+        .open    = tcp_seq_open,
+        .read    = seq_read,
+        .llseek  = seq_lseek,
+        .release = seq_release_net
+};
+
 static struct tcp_seq_afinfo tcp4_seq_afinfo = {
         .name           = "tcp",
         .family         = AF_INET,
-        .seq_fops       = {
-                .owner          = THIS_MODULE,
-        },
+        .seq_fops       = &tcp_afinfo_seq_fops,
         .seq_ops        = {
                 .show           = tcp4_seq_show,
         },
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ebaa96bd3464..131d8a720086 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2037,7 +2037,7 @@ static void udp_seq_stop(struct seq_file *seq, void *v)
                 spin_unlock_bh(&state->udp_table->hash[state->bucket].lock);
 }
 
-static int udp_seq_open(struct inode *inode, struct file *file)
+int udp_seq_open(struct inode *inode, struct file *file)
 {
         struct udp_seq_afinfo *afinfo = PDE(inode)->data;
         struct udp_iter_state *s;
@@ -2053,6 +2053,7 @@ static int udp_seq_open(struct inode *inode, struct file *file)
         s->udp_table            = afinfo->udp_table;
         return err;
 }
+EXPORT_SYMBOL(udp_seq_open);
 
 /* ------------------------------------------------------------------------ */
 int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
@@ -2060,17 +2061,12 @@ int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
         struct proc_dir_entry *p;
         int rc = 0;
 
-        afinfo->seq_fops.open           = udp_seq_open;
-        afinfo->seq_fops.read           = seq_read;
-        afinfo->seq_fops.llseek         = seq_lseek;
-        afinfo->seq_fops.release        = seq_release_net;
-
         afinfo->seq_ops.start           = udp_seq_start;
         afinfo->seq_ops.next            = udp_seq_next;
         afinfo->seq_ops.stop            = udp_seq_stop;
 
         p = proc_create_data(afinfo->name, S_IRUGO, net->proc_net,
-                             &afinfo->seq_fops, afinfo);
+                             afinfo->seq_fops, afinfo);
         if (!p)
                 rc = -ENOMEM;
         return rc;
@@ -2120,14 +2116,20 @@ int udp4_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
+static const struct file_operations udp_afinfo_seq_fops = {
+        .owner    = THIS_MODULE,
+        .open     = udp_seq_open,
+        .read     = seq_read,
+        .llseek   = seq_lseek,
+        .release  = seq_release_net
+};
+
 /* ------------------------------------------------------------------------ */
 static struct udp_seq_afinfo udp4_seq_afinfo = {
         .name           = "udp",
         .family         = AF_INET,
         .udp_table      = &udp_table,
-        .seq_fops       = {
-                .owner  =       THIS_MODULE,
-        },
+        .seq_fops       = &udp_afinfo_seq_fops,
         .seq_ops        = {
                 .show           = udp4_seq_show,
         },
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index aee9963f7f5a..08383eb54208 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -71,13 +71,20 @@ static struct inet_protosw udplite4_protosw = {
 };
 
 #ifdef CONFIG_PROC_FS
+
+static const struct file_operations udplite_afinfo_seq_fops = {
+        .owner    = THIS_MODULE,
+        .open     = udp_seq_open,
+        .read     = seq_read,
+        .llseek   = seq_lseek,
+        .release  = seq_release_net
+};
+
 static struct udp_seq_afinfo udplite4_seq_afinfo = {
         .name           = "udplite",
         .family         = AF_INET,
         .udp_table      = &udplite_table,
-        .seq_fops       = {
-                .owner  =       THIS_MODULE,
-        },
+        .seq_fops       = &udplite_afinfo_seq_fops,
         .seq_ops        = {
                 .show           = udp4_seq_show,
         },
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 10b2b3165a1a..36131d122a6f 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2161,12 +2161,18 @@ out:
         return 0;
 }
 
+static const struct file_operations tcp6_afinfo_seq_fops = {
+        .owner   = THIS_MODULE,
+        .open    = tcp_seq_open,
+        .read    = seq_read,
+        .llseek  = seq_lseek,
+        .release = seq_release_net
+};
+
 static struct tcp_seq_afinfo tcp6_seq_afinfo = {
         .name           = "tcp6",
         .family         = AF_INET6,
-        .seq_fops       = {
-                .owner          = THIS_MODULE,
-        },
+        .seq_fops       = &tcp6_afinfo_seq_fops,
         .seq_ops        = {
                 .show           = tcp6_seq_show,
         },
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f4ca0a5b3457..846f4757eb8d 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1424,13 +1424,19 @@ int udp6_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
+static const struct file_operations udp6_afinfo_seq_fops = {
+        .owner    = THIS_MODULE,
+        .open     = udp_seq_open,
+        .read     = seq_read,
+        .llseek   = seq_lseek,
+        .release  = seq_release_net
+};
+
 static struct udp_seq_afinfo udp6_seq_afinfo = {
         .name           = "udp6",
         .family         = AF_INET6,
         .udp_table      = &udp_table,
-        .seq_fops       = {
-                .owner  =       THIS_MODULE,
-        },
+        .seq_fops       = &udp6_afinfo_seq_fops,
         .seq_ops        = {
                 .show           = udp6_seq_show,
         },
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 986c4de5292e..8889aa22ed47 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -93,13 +93,20 @@ void udplitev6_exit(void)
 }
 
 #ifdef CONFIG_PROC_FS
+
+static const struct file_operations udplite6_afinfo_seq_fops = {
+        .owner    = THIS_MODULE,
+        .open     = udp_seq_open,
+        .read     = seq_read,
+        .llseek   = seq_lseek,
+        .release  = seq_release_net
+};
+
 static struct udp_seq_afinfo udplite6_seq_afinfo = {
         .name           = "udplite6",
         .family         = AF_INET6,
         .udp_table      = &udplite_table,
-        .seq_fops       = {
-                .owner  =       THIS_MODULE,
-        },
+        .seq_fops       = &udplite6_afinfo_seq_fops,
         .seq_ops        = {
                 .show           = udp6_seq_show,
         },