kernel: 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: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 8 deletions

diff --git a/kernel/latencytop.c b/kernel/latencytop.c
index 7c74dab0d21b..5e7b45c56923 100644
--- a/kernel/latencytop.c
+++ b/kernel/latencytop.c
@@ -233,14 +233,7 @@ static struct file_operations lstats_fops = {
 
 static int __init init_lstats_procfs(void)
 {
-        struct proc_dir_entry *pe;
-
-        pe = create_proc_entry("latency_stats", 0644, NULL);
-        if (!pe)
-                return -ENOMEM;
-
-        pe->proc_fops = &lstats_fops;
-
+        proc_create("latency_stats", 0644, NULL, &lstats_fops);
         return 0;
 }
 __initcall(init_lstats_procfs);