From: Denis V. Lunev <den@openvz.org>
Date: Tue, 29 Apr 2008 08:02:16 +0000 (-0700)
Subject: samples: use non-racy method for /proc/marker-example creation
X-Git-Tag: v2.6.26-rc1~466
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=16e70f64a9358133a14872eb72cf39b6f38b6212

samples: use non-racy method for /proc/marker-example creation

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

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
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/samples/markers/marker-example.c b/samples/markers/marker-example.c
index 05e438f..e90dc5d 100644
--- a/samples/markers/marker-example.c
+++ b/samples/markers/marker-example.c
@@ -33,10 +33,8 @@ static struct file_operations mark_ops = {
 static int example_init(void)
 {
 	printk(KERN_ALERT "example init\n");
-	pentry_example = create_proc_entry("marker-example", 0444, NULL);
-	if (pentry_example)
-		pentry_example->proc_fops = &mark_ops;
-	else
+	pentry_example = proc_create("marker-example", 0444, NULL, &mark_ops);
+	if (!pentry_example)
 		return -EPERM;
 	return 0;
 }