net/netfilter/x_tables.c: use __seq_open_private()
Reduce boilerplate code by using __seq_open_private() instead of seq_open() in xt_match_open() and xt_target_open(). Signed-off-by: Rob Jones <rob.jones@codethink.co.uk> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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@ -1101,22 +1101,11 @@ static const struct seq_operations xt_match_seq_ops = {
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static int xt_match_open(struct inode *inode, struct file *file)
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{
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struct seq_file *seq;
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struct nf_mttg_trav *trav;
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int ret;
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trav = kmalloc(sizeof(*trav), GFP_KERNEL);
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if (trav == NULL)
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trav = __seq_open_private(file, &xt_match_seq_ops, sizeof(*trav));
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if (!trav)
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return -ENOMEM;
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ret = seq_open(file, &xt_match_seq_ops);
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if (ret < 0) {
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kfree(trav);
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return ret;
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}
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seq = file->private_data;
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seq->private = trav;
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trav->nfproto = (unsigned long)PDE_DATA(inode);
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return 0;
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}
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@ -1165,22 +1154,11 @@ static const struct seq_operations xt_target_seq_ops = {
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static int xt_target_open(struct inode *inode, struct file *file)
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{
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struct seq_file *seq;
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struct nf_mttg_trav *trav;
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int ret;
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trav = kmalloc(sizeof(*trav), GFP_KERNEL);
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if (trav == NULL)
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trav = __seq_open_private(file, &xt_target_seq_ops, sizeof(*trav));
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if (!trav)
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return -ENOMEM;
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ret = seq_open(file, &xt_target_seq_ops);
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if (ret < 0) {
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kfree(trav);
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return ret;
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}
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seq = file->private_data;
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seq->private = trav;
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trav->nfproto = (unsigned long)PDE_DATA(inode);
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return 0;
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}
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