drivers: 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>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index db7a731..58aad638 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -249,6 +249,7 @@
 }
 
 static const struct file_operations proc_viotape_operations = {
+	.owner		= THIS_MODULE,
 	.open		= proc_viotape_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -915,7 +916,6 @@
 int __init viotap_init(void)
 {
 	int ret;
-	struct proc_dir_entry *e;
 
 	if (!firmware_has_feature(FW_FEATURE_ISERIES))
 		return -ENODEV;
@@ -968,11 +968,8 @@
 	if (ret)
 		goto unreg_class;
 
-	e = create_proc_entry("iSeries/viotape", S_IFREG|S_IRUGO, NULL);
-	if (e) {
-		e->owner = THIS_MODULE;
-		e->proc_fops = &proc_viotape_operations;
-	}
+	proc_create("iSeries/viotape", S_IFREG|S_IRUGO, NULL,
+		    &proc_viotape_operations);
 
 	return 0;