netdev: use non-racy method for proc entries creation

Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 4fad4dd..58a26a4 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -1052,11 +1052,9 @@
 {
 	struct proc_dir_entry *p;
 
-	p = create_proc_entry("pppoe", S_IRUGO, init_net.proc_net);
+	p = proc_net_fops_create(&init_net, "pppoe", S_IRUGO, &pppoe_seq_fops);
 	if (!p)
 		return -ENOMEM;
-
-	p->proc_fops = &pppoe_seq_fops;
 	return 0;
 }
 #else /* CONFIG_PROC_FS */