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, 4 deletions

diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index f3f4af4b8b0f..8a9498e7c831 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -277,12 +277,9 @@ static int __init init_sched_debug_procfs(void)
 {
         struct proc_dir_entry *pe;
 
-        pe = create_proc_entry("sched_debug", 0644, NULL);
+        pe = proc_create("sched_debug", 0644, NULL, &sched_debug_fops);
         if (!pe)
                 return -ENOMEM;
-
-        pe->proc_fops = &sched_debug_fops;
-
         return 0;
 }