fs/ocfs2/dlmglue.c: use __seq_open_private() not seq_open()

Reduce boilerplate code by using seq_open_private() instead of seq_open()

Signed-off-by: Rob Jones <rob.jones@codethink.co.uk>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 52cfe99..21262f2 100644 (file)
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -2892,37 +2892,24 @@ static int ocfs2_dlm_debug_release(struct inode *inode, struct file *file)
 
 static int ocfs2_dlm_debug_open(struct inode *inode, struct file *file)
 {
-       int ret;
        struct ocfs2_dlm_seq_priv *priv;
-       struct seq_file *seq;
        struct ocfs2_super *osb;
 
-       priv = kzalloc(sizeof(struct ocfs2_dlm_seq_priv), GFP_KERNEL);
+       priv = __seq_open_private(file, &ocfs2_dlm_seq_ops, sizeof(*priv));
        if (!priv) {
-               ret = -ENOMEM;
-               mlog_errno(ret);
-               goto out;
+               mlog_errno(-ENOMEM);
+               return -ENOMEM;
        }
+
        osb = inode->i_private;
        ocfs2_get_dlm_debug(osb->osb_dlm_debug);
        priv->p_dlm_debug = osb->osb_dlm_debug;
        INIT_LIST_HEAD(&priv->p_iter_res.l_debug_list);
 
-       ret = seq_open(file, &ocfs2_dlm_seq_ops);
-       if (ret) {
-               kfree(priv);
-               mlog_errno(ret);
-               goto out;
-       }
-
-       seq = file->private_data;
-       seq->private = priv;
-
        ocfs2_add_lockres_tracking(&priv->p_iter_res,
                                   priv->p_dlm_debug);
 
-out:
-       return ret;
+       return 0;
 }
 
 static const struct file_operations ocfs2_dlm_debug_fops = {