proc: consolidate per-net single_open callers

[net-next-2.6.git] / net / ipv4 / proc.c

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 554390431a4e7f1b70dc42b175ffb29661e9e376..daf5d3c80cef9d5ec8ffa231d8ed2f578f430753 100644 (file)
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -71,24 +71,7 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)
 
 static int sockstat_seq_open(struct inode *inode, struct file *file)
 {
-       int err;
-       struct net *net;
-
-       err = -ENXIO;
-       net = get_proc_net(inode);
-       if (net == NULL)
-               goto err_net;
-
-       err = single_open(file, sockstat_seq_show, net);
-       if (err < 0)
-               goto err_open;
-
-       return 0;
-
-err_open:
-       put_net(net);
-err_net:
-       return err;
+       return single_open_net(inode, file, sockstat_seq_show);
 }
 
 static int sockstat_seq_release(struct inode *inode, struct file *file)
@@ -397,24 +380,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
 
 static int snmp_seq_open(struct inode *inode, struct file *file)
 {
-       int err;
-       struct net *net;
-
-       err = -ENXIO;
-       net = get_proc_net(inode);
-       if (net == NULL)
-               goto err_net;
-
-       err = single_open(file, snmp_seq_show, net);
-       if (err < 0)
-               goto err_open;
-
-       return 0;
-
-err_open:
-       put_net(net);
-err_net:
-       return err;
+       return single_open_net(inode, file, snmp_seq_show);
 }
 
 static int snmp_seq_release(struct inode *inode, struct file *file)
@@ -469,24 +435,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v)
 
 static int netstat_seq_open(struct inode *inode, struct file *file)
 {
-       int err;
-       struct net *net;
-
-       err = -ENXIO;
-       net = get_proc_net(inode);
-       if (net == NULL)
-               goto err_net;
-
-       err = single_open(file, netstat_seq_show, net);
-       if (err < 0)
-               goto err_open;
-
-       return 0;
-
-err_open:
-       put_net(net);
-err_net:
-       return err;
+       return single_open_net(inode, file, netstat_seq_show);
 }
 
 static int netstat_seq_release(struct inode *inode, struct file *file)