Merge branch 'hotfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[pandora-kernel.git] / net / ipv4 / proc.c

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 120e1f7..8f5a403 100644 (file)
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -71,32 +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;
-}
-
-static int sockstat_seq_release(struct inode *inode, struct file *file)
-{
-       struct net *net = ((struct seq_file *)file->private_data)->private;
-
-       put_net(net);
-       return single_release(inode, file);
+       return single_open_net(inode, file, sockstat_seq_show);
 }
 
 static const struct file_operations sockstat_seq_fops = {
@@ -104,7 +79,7 @@ static const struct file_operations sockstat_seq_fops = {
        .open    = sockstat_seq_open,
        .read    = seq_read,
        .llseek  = seq_lseek,
-       .release = sockstat_seq_release,
+       .release = single_release_net,
 };
 
 /* snmp items */
@@ -257,6 +232,8 @@ static const struct snmp_mib snmp4_net_list[] = {
        SNMP_MIB_ITEM("TCPDSACKIgnoredOld", LINUX_MIB_TCPDSACKIGNOREDOLD),
        SNMP_MIB_ITEM("TCPDSACKIgnoredNoUndo", LINUX_MIB_TCPDSACKIGNOREDNOUNDO),
        SNMP_MIB_ITEM("TCPSpuriousRTOs", LINUX_MIB_TCPSPURIOUSRTOS),
+       SNMP_MIB_ITEM("TCPMD5NotFound", LINUX_MIB_TCPMD5NOTFOUND),
+       SNMP_MIB_ITEM("TCPMD5Unexpected", LINUX_MIB_TCPMD5UNEXPECTED),
        SNMP_MIB_SENTINEL
 };
 
@@ -397,32 +374,7 @@ 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;
-}
-
-static int snmp_seq_release(struct inode *inode, struct file *file)
-{
-       struct net *net = ((struct seq_file *)file->private_data)->private;
-
-       put_net(net);
-       return single_release(inode, file);
+       return single_open_net(inode, file, snmp_seq_show);
 }
 
 static const struct file_operations snmp_seq_fops = {
@@ -430,7 +382,7 @@ static const struct file_operations snmp_seq_fops = {
        .open    = snmp_seq_open,
        .read    = seq_read,
        .llseek  = seq_lseek,
-       .release = snmp_seq_release,
+       .release = single_release_net,
 };
 
 
@@ -469,32 +421,7 @@ 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;
-}
-
-static int netstat_seq_release(struct inode *inode, struct file *file)
-{
-       struct net *net = ((struct seq_file *)file->private_data)->private;
-
-       put_net(net);
-       return single_release(inode, file);
+       return single_open_net(inode, file, netstat_seq_show);
 }
 
 static const struct file_operations netstat_seq_fops = {
@@ -502,13 +429,13 @@ static const struct file_operations netstat_seq_fops = {
        .open    = netstat_seq_open,
        .read    = seq_read,
        .llseek  = seq_lseek,
-       .release = netstat_seq_release,
+       .release = single_release_net,
 };
 
 static __net_init int ip_proc_init_net(struct net *net)
 {
        if (!proc_net_fops_create(net, "sockstat", S_IRUGO, &sockstat_seq_fops))
-               return -ENOMEM;
+               goto out_sockstat;
        if (!proc_net_fops_create(net, "netstat", S_IRUGO, &netstat_seq_fops))
                goto out_netstat;
        if (!proc_net_fops_create(net, "snmp", S_IRUGO, &snmp_seq_fops))
@@ -520,6 +447,7 @@ out_snmp:
        proc_net_remove(net, "netstat");
 out_netstat:
        proc_net_remove(net, "sockstat");
+out_sockstat:
        return -ENOMEM;
 }
 
@@ -537,16 +465,6 @@ static __net_initdata struct pernet_operations ip_proc_ops = {
 
 int __init ip_misc_proc_init(void)
 {
-       int rc = 0;
-
-       if (register_pernet_subsys(&ip_proc_ops))
-               goto out_pernet;
-
-out:
-       return rc;
-
-out_pernet:
-       rc = -ENOMEM;
-       goto out;
+       return register_pernet_subsys(&ip_proc_ops);
 }