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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-04 10:00:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-04 10:00:01 -0700
commitcf626b0da78df6669c6b5f51ddd9a70a0702e579 (patch)
tree45d29a4cb7574aed7f140814ed22088ded21c291 /net/kcm
parentMerge branch 'work.rmdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs (diff)
parentxfs, proc: hide unused xfs procfs helpers (diff)
downloadlinux-dev-cf626b0da78df6669c6b5f51ddd9a70a0702e579.tar.xz
linux-dev-cf626b0da78df6669c6b5f51ddd9a70a0702e579.zip
Merge branch 'hch.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull procfs updates from Al Viro: "Christoph's proc_create_... cleanups series" * 'hch.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (44 commits) xfs, proc: hide unused xfs procfs helpers isdn/gigaset: add back gigaset_procinfo assignment proc: update SIZEOF_PDE_INLINE_NAME for the new pde fields tty: replace ->proc_fops with ->proc_show ide: replace ->proc_fops with ->proc_show ide: remove ide_driver_proc_write isdn: replace ->proc_fops with ->proc_show atm: switch to proc_create_seq_private atm: simplify procfs code bluetooth: switch to proc_create_seq_data netfilter/x_tables: switch to proc_create_seq_private netfilter/xt_hashlimit: switch to proc_create_{seq,single}_data neigh: switch to proc_create_seq_data hostap: switch to proc_create_{seq,single}_data bonding: switch to proc_create_seq_data rtc/proc: switch to proc_create_single_data drbd: switch to proc_create_single resource: switch to proc_create_seq_data staging/rtl8192u: simplify procfs code jfs: simplify procfs code ...
Diffstat (limited to 'net/kcm')
-rw-r--r--net/kcm/kcmproc.c83
1 files changed, 11 insertions, 72 deletions
diff --git a/net/kcm/kcmproc.c b/net/kcm/kcmproc.c
index 1fac92543094..370da2f80e3c 100644
--- a/net/kcm/kcmproc.c
+++ b/net/kcm/kcmproc.c
@@ -15,12 +15,6 @@
#include <net/tcp.h>
#ifdef CONFIG_PROC_FS
-struct kcm_seq_muxinfo {
- char *name;
- const struct file_operations *seq_fops;
- const struct seq_operations seq_ops;
-};
-
static struct kcm_mux *kcm_get_first(struct seq_file *seq)
{
struct net *net = seq_file_net(seq);
@@ -86,14 +80,6 @@ struct kcm_proc_mux_state {
int idx;
};
-static int kcm_seq_open(struct inode *inode, struct file *file)
-{
- struct kcm_seq_muxinfo *muxinfo = PDE_DATA(inode);
-
- return seq_open_net(inode, file, &muxinfo->seq_ops,
- sizeof(struct kcm_proc_mux_state));
-}
-
static void kcm_format_mux_header(struct seq_file *seq)
{
struct net *net = seq_file_net(seq);
@@ -246,44 +232,13 @@ static int kcm_seq_show(struct seq_file *seq, void *v)
return 0;
}
-static const struct file_operations kcm_seq_fops = {
- .open = kcm_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release_net,
+static const struct seq_operations kcm_seq_ops = {
+ .show = kcm_seq_show,
+ .start = kcm_seq_start,
+ .next = kcm_seq_next,
+ .stop = kcm_seq_stop,
};
-static struct kcm_seq_muxinfo kcm_seq_muxinfo = {
- .name = "kcm",
- .seq_fops = &kcm_seq_fops,
- .seq_ops = {
- .show = kcm_seq_show,
- .start = kcm_seq_start,
- .next = kcm_seq_next,
- .stop = kcm_seq_stop,
- }
-};
-
-static int kcm_proc_register(struct net *net, struct kcm_seq_muxinfo *muxinfo)
-{
- struct proc_dir_entry *p;
- int rc = 0;
-
- p = proc_create_data(muxinfo->name, 0444, net->proc_net,
- muxinfo->seq_fops, muxinfo);
- if (!p)
- rc = -ENOMEM;
- return rc;
-}
-EXPORT_SYMBOL(kcm_proc_register);
-
-static void kcm_proc_unregister(struct net *net,
- struct kcm_seq_muxinfo *muxinfo)
-{
- remove_proc_entry(muxinfo->name, net->proc_net);
-}
-EXPORT_SYMBOL(kcm_proc_unregister);
-
static int kcm_stats_seq_show(struct seq_file *seq, void *v)
{
struct kcm_psock_stats psock_stats;
@@ -390,30 +345,14 @@ static int kcm_stats_seq_show(struct seq_file *seq, void *v)
return 0;
}
-static int kcm_stats_seq_open(struct inode *inode, struct file *file)
-{
- return single_open_net(inode, file, kcm_stats_seq_show);
-}
-
-static const struct file_operations kcm_stats_seq_fops = {
- .open = kcm_stats_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release_net,
-};
-
static int kcm_proc_init_net(struct net *net)
{
- int err;
-
- if (!proc_create("kcm_stats", 0444, net->proc_net,
- &kcm_stats_seq_fops)) {
- err = -ENOMEM;
+ if (!proc_create_net_single("kcm_stats", 0444, net->proc_net,
+ kcm_stats_seq_show, NULL))
goto out_kcm_stats;
- }
- err = kcm_proc_register(net, &kcm_seq_muxinfo);
- if (err)
+ if (!proc_create_net("kcm", 0444, net->proc_net, &kcm_seq_ops,
+ sizeof(struct kcm_proc_mux_state)))
goto out_kcm;
return 0;
@@ -421,12 +360,12 @@ static int kcm_proc_init_net(struct net *net)
out_kcm:
remove_proc_entry("kcm_stats", net->proc_net);
out_kcm_stats:
- return err;
+ return -ENOMEM;
}
static void kcm_proc_exit_net(struct net *net)
{
- kcm_proc_unregister(net, &kcm_seq_muxinfo);
+ remove_proc_entry("kcm", net->proc_net);
remove_proc_entry("kcm_stats", net->proc_net);
}