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authorPavel Emelyanov <xemul@openvz.org>2008-07-18 04:07:21 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-18 04:07:21 -0700
commitde05c557b24c7dffc6d392e3db120cf11c9f6ae7 (patch)
treed1d6fe1323657afd7d416c6af8a62d6a9e1e1e66 /net
parent60bdde95807e982a824be9cfdd35055cc721a88a (diff)
downloadop-kernel-dev-de05c557b24c7dffc6d392e3db120cf11c9f6ae7.zip
op-kernel-dev-de05c557b24c7dffc6d392e3db120cf11c9f6ae7.tar.gz
proc: consolidate per-net single_open callers
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>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/fib_trie.c13
-rw-r--r--net/ipv4/proc.c57
-rw-r--r--net/ipv6/proc.c19
-rw-r--r--net/ipv6/route.c26
4 files changed, 7 insertions, 108 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index f155a66..6009df2 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2251,18 +2251,7 @@ static int fib_triestat_seq_show(struct seq_file *seq, void *v)
static int fib_triestat_seq_open(struct inode *inode, struct file *file)
{
- int err;
- struct net *net;
-
- net = get_proc_net(inode);
- if (net == NULL)
- return -ENXIO;
- err = single_open(file, fib_triestat_seq_show, net);
- if (err < 0) {
- put_net(net);
- return err;
- }
- return 0;
+ return single_open_net(inode, file, fib_triestat_seq_show);
}
static int fib_triestat_seq_release(struct inode *ino, struct file *f)
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 5543904..daf5d3c 100644
--- 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)
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index cbc7e51..29c5a79 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -183,24 +183,7 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
static int sockstat6_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, sockstat6_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, sockstat6_seq_show);
}
static int sockstat6_seq_release(struct inode *inode, struct file *file)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5d6c166..fb7ff8f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2416,18 +2416,7 @@ static int ipv6_route_show(struct seq_file *m, void *v)
static int ipv6_route_open(struct inode *inode, struct file *file)
{
- int err;
- struct net *net = get_proc_net(inode);
- if (!net)
- return -ENXIO;
-
- err = single_open(file, ipv6_route_show, net);
- if (err < 0) {
- put_net(net);
- return err;
- }
-
- return 0;
+ return single_open_net(inode, file, ipv6_route_show);
}
static int ipv6_route_release(struct inode *inode, struct file *file)
@@ -2463,18 +2452,7 @@ static int rt6_stats_seq_show(struct seq_file *seq, void *v)
static int rt6_stats_seq_open(struct inode *inode, struct file *file)
{
- int err;
- struct net *net = get_proc_net(inode);
- if (!net)
- return -ENXIO;
-
- err = single_open(file, rt6_stats_seq_show, net);
- if (err < 0) {
- put_net(net);
- return err;
- }
-
- return 0;
+ return single_open_net(inode, file, rt6_stats_seq_show);
}
static int rt6_stats_seq_release(struct inode *inode, struct file *file)
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