s390: use non-racy method for proc entries 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: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
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>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index ef33d5df2229..40ef948fcb3a 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -374,13 +374,10 @@ cio_ignore_proc_init (void)
 {
         struct proc_dir_entry *entry;
 
-        entry = create_proc_entry ("cio_ignore", S_IFREG | S_IRUGO | S_IWUSR,
-                                   NULL);
+        entry = proc_create("cio_ignore", S_IFREG | S_IRUGO | S_IWUSR, NULL,
+                            &cio_ignore_proc_fops);
         if (!entry)
                 return -ENOENT;
-
-        entry->proc_fops = &cio_ignore_proc_fops;
-
         return 0;
 }