reiserfs: 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.

/proc entry owner is also added.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Chris Mason <chris.mason@oracle.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, 3 insertions, 6 deletions

diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index 8f86c52b30d..b9dbeeca704 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -467,6 +467,7 @@ static const struct file_operations r_file_operations = {
         .read = seq_read,
         .llseek = seq_lseek,
         .release = seq_release,
+        .owner = THIS_MODULE,
 };
 
 static struct proc_dir_entry *proc_info_root = NULL;
@@ -475,12 +476,8 @@ static const char proc_info_root_name[] = "fs/reiserfs";
 static void add_file(struct super_block *sb, char *name,
                      int (*func) (struct seq_file *, struct super_block *))
 {
-        struct proc_dir_entry *de;
-        de = create_proc_entry(name, 0, REISERFS_SB(sb)->procdir);
-        if (de) {
-                de->data = func;
-                de->proc_fops = &r_file_operations;
-        }
+        proc_create_data(name, 0, REISERFS_SB(sb)->procdir,
+                         &r_file_operations, func);
 }
 
 int reiserfs_proc_info_init(struct super_block *sb)