[IPV4]: Use seq_release_private(), kill ip_seq_release() since no longer used.

include/net/ip.h

@@ -295,7 +295,6 @@ extern void	ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
 extern void	ip_local_error(struct sock *sk, int err, u32 daddr, u16 dport,
 			       u32 info);
 
-extern int ip_seq_release(struct inode *inode, struct file *file);
 extern int ipv4_proc_init(void);
 
 /* sysctl helpers - any sysctl which holds a value that ends up being

net/ipv4/arp.c

@@ -1389,7 +1389,7 @@ static struct file_operations arp_seq_fops = {
 	.open           = arp_seq_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
-	.release	= ip_seq_release,
+	.release	= seq_release_private,
 };
 
 static int __init arp_proc_init(void)

net/ipv4/fib_hash.c

@@ -1069,7 +1069,7 @@ static struct file_operations fib_seq_fops = {
 	.open           = fib_seq_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
-	.release	= ip_seq_release,
+	.release	= seq_release_private,
 };
 
 int __init fib_proc_init(void)

net/ipv4/proc.c

@@ -265,11 +265,3 @@ int __init ip_misc_proc_init(void)
 	goto out;
 }
 
-int ip_seq_release(struct inode *inode, struct file *file)
-{
-	struct seq_file *seq = (struct seq_file *)file->private_data;
-
-	kfree(seq->private);
-	seq->private = NULL;
-	return seq_release(inode, file);
-}

net/ipv4/route.c

@@ -386,7 +386,7 @@ static struct file_operations rt_cache_seq_fops = {
 	.open	 = rt_cache_seq_open,
 	.read	 = seq_read,
 	.llseek	 = seq_lseek,
-	.release = ip_seq_release,
+	.release = seq_release_private,
 };
 
 int __init rt_cache_proc_init(void)

net/ipv4/tcp_ipv4.c

@@ -2568,7 +2568,7 @@ static struct file_operations tcp_seq_fops = {
 	.open		=	tcp_seq_open,
 	.read		=	seq_read,
 	.llseek		=	seq_lseek,
-	.release	=	ip_seq_release,
+	.release	=	seq_release_private,
 };
 
 int __init tcp_proc_init(void)

net/ipv4/udp.c

@@ -1479,7 +1479,7 @@ static struct file_operations udp_seq_fops = {
 	.open           = udp_seq_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
-	.release	= ip_seq_release,
+	.release	= seq_release_private,
 };
 
 /* ------------------------------------------------------------------------ */