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authorYejune Deng <yejune.deng@gmail.com>2021-03-16 10:57:36 +0800
committerDavid S. Miller <davem@davemloft.net>2021-03-16 14:43:49 -0700
commitf105f26e456040ac5ea451ffed02fe4c48f36ac7 (patch)
tree78b6046cb21a93ee91aeedbb0e9bb5a0c66249e1 /net/ipv4
parent77f0cae15a39f0263f74fa805d25bba6aff97dac (diff)
net: ipv4: route.c: simplify procfs code
proc_creat_seq() that directly take a struct seq_operations, and deal with network namespaces in ->open. Signed-off-by: Yejune Deng <yejune.deng@gmail.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/route.c34
1 files changed, 4 insertions, 30 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 350bf500bb6d..0470442ff61d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -234,19 +234,6 @@ static const struct seq_operations rt_cache_seq_ops = {
.show = rt_cache_seq_show,
};
-static int rt_cache_seq_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &rt_cache_seq_ops);
-}
-
-static const struct proc_ops rt_cache_proc_ops = {
- .proc_open = rt_cache_seq_open,
- .proc_read = seq_read,
- .proc_lseek = seq_lseek,
- .proc_release = seq_release,
-};
-
-
static void *rt_cpu_seq_start(struct seq_file *seq, loff_t *pos)
{
int cpu;
@@ -324,19 +311,6 @@ static const struct seq_operations rt_cpu_seq_ops = {
.show = rt_cpu_seq_show,
};
-
-static int rt_cpu_seq_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &rt_cpu_seq_ops);
-}
-
-static const struct proc_ops rt_cpu_proc_ops = {
- .proc_open = rt_cpu_seq_open,
- .proc_read = seq_read,
- .proc_lseek = seq_lseek,
- .proc_release = seq_release,
-};
-
#ifdef CONFIG_IP_ROUTE_CLASSID
static int rt_acct_proc_show(struct seq_file *m, void *v)
{
@@ -367,13 +341,13 @@ static int __net_init ip_rt_do_proc_init(struct net *net)
{
struct proc_dir_entry *pde;
- pde = proc_create("rt_cache", 0444, net->proc_net,
- &rt_cache_proc_ops);
+ pde = proc_create_seq("rt_cache", 0444, net->proc_net,
+ &rt_cache_seq_ops);
if (!pde)
goto err1;
- pde = proc_create("rt_cache", 0444,
- net->proc_net_stat, &rt_cpu_proc_ops);
+ pde = proc_create_seq("rt_cache", 0444, net->proc_net_stat,
+ &rt_cpu_seq_ops);
if (!pde)
goto err2;