Commit 16e70f64 authored Apr 29, 2008 by Denis V. Lunev Committed by Linus Torvalds Apr 29, 2008

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>

parent 659f865e

samples/markers/marker-example.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -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;
		}