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proc: consolidate per-net single_open callers

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There are already 7 of them - time to kill some duplicate code.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov
2008-07-18 04:07:21 -07:00
committed by David S. Miller
parent 60bdde9580
commit de05c557b2
6 changed files with 33 additions and 108 deletions
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57
net/ipv4/proc.c
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@ -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)