- struct clip_seq_state *state;
- struct seq_file *seq;
- int rc = -EAGAIN;
-
- state = kzalloc(sizeof(*state), GFP_KERNEL);
- if (!state) {
- rc = -ENOMEM;
- goto out_kfree;
- }
- state->ns.neigh_sub_iter = clip_seq_sub_iter;
-
- rc = seq_open(file, &arp_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = state;
- state->ns.net = get_proc_net(inode);
- if (!state->ns.net) {
- seq_release_private(inode, file);
- rc = -ENXIO;
- }
-out:
- return rc;
-
-out_kfree:
- kfree(state);
- goto out;
-}
-
-static int arp_seq_release(struct inode *inode, struct file *file)
-{
- struct seq_file *seq = file->private_data;
- struct clip_seq_state *state = seq->private;
- put_net(state->ns.net);
- return seq_release_private(inode, file);
+ return seq_open_net(inode, file, &arp_seq_ops,
+ sizeof(struct clip_seq_state));