- struct seq_file *seq;
- int rc = -ENOMEM;
- struct ac6_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
-
- rc = seq_open(file, &ac6_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
+ return seq_open_private(file, &ac6_seq_ops,
+ sizeof(struct ac6_iter_state));