x25: use proc_remove_subtree()

... and don't bother with ->owner, while we are at it - procfs fops
do not need it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c
index 2ffde46..0917f04 100644 (file)
--- a/net/x25/x25_proc.c
+++ b/net/x25/x25_proc.c
@@ -187,7 +187,6 @@ static int x25_seq_forward_open(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations x25_seq_socket_fops = {
-       .owner          = THIS_MODULE,
        .open           = x25_seq_socket_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
@@ -195,7 +194,6 @@ static const struct file_operations x25_seq_socket_fops = {
 };
 
 static const struct file_operations x25_seq_route_fops = {
-       .owner          = THIS_MODULE,
        .open           = x25_seq_route_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
@@ -203,55 +201,38 @@ static const struct file_operations x25_seq_route_fops = {
 };
 
 static const struct file_operations x25_seq_forward_fops = {
-       .owner          = THIS_MODULE,
        .open           = x25_seq_forward_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
        .release        = seq_release,
 };
 
-static struct proc_dir_entry *x25_proc_dir;
-
 int __init x25_proc_init(void)
 {
-       struct proc_dir_entry *p;
-       int rc = -ENOMEM;
+       if (!proc_mkdir("x25", init_net.proc_net))
+               return -ENOMEM;
 
-       x25_proc_dir = proc_mkdir("x25", init_net.proc_net);
-       if (!x25_proc_dir)
+       if (!proc_create("x25/route", S_IRUGO, init_net.proc_net,
+                       &x25_seq_route_fops))
                goto out;
 
-       p = proc_create("route", S_IRUGO, x25_proc_dir, &x25_seq_route_fops);
-       if (!p)
-               goto out_route;
-
-       p = proc_create("socket", S_IRUGO, x25_proc_dir, &x25_seq_socket_fops);
-       if (!p)
-               goto out_socket;
+       if (!proc_create("x25/socket", S_IRUGO, init_net.proc_net,
+                       &x25_seq_socket_fops))
+               goto out;
 
-       p = proc_create("forward", S_IRUGO, x25_proc_dir,
-                       &x25_seq_forward_fops);
-       if (!p)
-               goto out_forward;
-       rc = 0;
+       if (!proc_create("x25/forward", S_IRUGO, init_net.proc_net,
+                       &x25_seq_forward_fops))
+               goto out;
+       return 0;
 
 out:
-       return rc;
-out_forward:
-       remove_proc_entry("socket", x25_proc_dir);
-out_socket:
-       remove_proc_entry("route", x25_proc_dir);
-out_route:
-       remove_proc_entry("x25", init_net.proc_net);
-       goto out;
+       remove_proc_subtree("x25", init_net.proc_net);
+       return -ENOMEM;
 }
 
 void __exit x25_proc_exit(void)
 {
-       remove_proc_entry("forward", x25_proc_dir);
-       remove_proc_entry("route", x25_proc_dir);
-       remove_proc_entry("socket", x25_proc_dir);
-       remove_proc_entry("x25", init_net.proc_net);
+       remove_proc_subtree("x25", init_net.proc_net);
 }
 
 #else /* CONFIG_PROC_FS */