From f455022166b57c8693897334508dfa75d3b62b38 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 10 Apr 2018 20:04:20 +0200 Subject: ipv{4,6}/ping: simplify proc file creation Remove the pointless ping_seq_afinfo indirection and make the code look like most other protocols. Signed-off-by: Christoph Hellwig --- net/ipv4/ping.c | 50 ++++++++++++++------------------------------------ 1 file changed, 14 insertions(+), 36 deletions(-) (limited to 'net/ipv4/ping.c') diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 56a010622f70..4d21c24dba78 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -1150,58 +1150,36 @@ static int ping_v4_seq_show(struct seq_file *seq, void *v) return 0; } -static int ping_seq_open(struct inode *inode, struct file *file) +static const struct seq_operations ping_v4_seq_ops = { + .start = ping_v4_seq_start, + .show = ping_v4_seq_show, + .next = ping_seq_next, + .stop = ping_seq_stop, +}; + +static int ping_v4_seq_open(struct inode *inode, struct file *file) { - struct ping_seq_afinfo *afinfo = PDE_DATA(inode); - return seq_open_net(inode, file, &afinfo->seq_ops, + return seq_open_net(inode, file, &ping_v4_seq_ops, sizeof(struct ping_iter_state)); } -const struct file_operations ping_seq_fops = { - .open = ping_seq_open, +const struct file_operations ping_v4_seq_fops = { + .open = ping_v4_seq_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release_net, }; -EXPORT_SYMBOL_GPL(ping_seq_fops); - -static struct ping_seq_afinfo ping_v4_seq_afinfo = { - .name = "icmp", - .family = AF_INET, - .seq_fops = &ping_seq_fops, - .seq_ops = { - .start = ping_v4_seq_start, - .show = ping_v4_seq_show, - .next = ping_seq_next, - .stop = ping_seq_stop, - }, -}; -int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo) +static int __net_init ping_v4_proc_init_net(struct net *net) { - struct proc_dir_entry *p; - p = proc_create_data(afinfo->name, 0444, net->proc_net, - afinfo->seq_fops, afinfo); - if (!p) + if (!proc_create("icmp", 0444, net->proc_net, &ping_v4_seq_fops)) return -ENOMEM; return 0; } -EXPORT_SYMBOL_GPL(ping_proc_register); - -void ping_proc_unregister(struct net *net, struct ping_seq_afinfo *afinfo) -{ - remove_proc_entry(afinfo->name, net->proc_net); -} -EXPORT_SYMBOL_GPL(ping_proc_unregister); - -static int __net_init ping_v4_proc_init_net(struct net *net) -{ - return ping_proc_register(net, &ping_v4_seq_afinfo); -} static void __net_exit ping_v4_proc_exit_net(struct net *net) { - ping_proc_unregister(net, &ping_v4_seq_afinfo); + remove_proc_entry("icmp", net->proc_net); } static struct pernet_operations ping_v4_net_ops = { -- cgit v1.2.3