powerpc: 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.

Add correct ->owner to proc_fops to fix reading/module unloading race.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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, 3 insertions, 3 deletions

diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index c0f2433bc16e..1dc7295746da 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -1255,11 +1255,11 @@ static int __init mf_proc_init(void)
                 if (i == 3)     /* no vmlinux entry for 'D' */
                         continue;
 
-                ent = create_proc_entry("vmlinux", S_IFREG|S_IWUSR, mf);
+                ent = proc_create_data("vmlinux", S_IFREG|S_IWUSR, mf,
+                                       &proc_vmlinux_operations,
+                                       (void *)(long)i);
                 if (!ent)
                         return 1;
-                ent->data = (void *)(long)i;
-                ent->proc_fops = &proc_vmlinux_operations;
         }
 
         ent = create_proc_entry("side", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root);