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net/netfilter/x_tables.c: use __seq_open_private()

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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>
This commit is contained in:
Rob Jones 2014-09-19 11:27:51 +01:00 committed by Pablo Neira Ayuso
parent 84d7fce693
commit 772476df70
1 changed files with 4 additions and 26 deletions
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30
net/netfilter/x_tables.c
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@ -1101,22 +1101,11 @@ static const struct seq_operations xt_match_seq_ops = {
static int xt_match_open(struct inode *inode, struct file *file)
{
struct seq_file *seq;
struct nf_mttg_trav *trav;
int ret;
trav = kmalloc(sizeof(*trav), GFP_KERNEL);
if (trav == NULL)
trav = __seq_open_private(file, &xt_match_seq_ops, sizeof(*trav));
if (!trav)
return -ENOMEM;
ret = seq_open(file, &xt_match_seq_ops);
if (ret < 0) {
kfree(trav);
return ret;
}
seq = file->private_data;
seq->private = trav;
trav->nfproto = (unsigned long)PDE_DATA(inode);
return 0;
}
@ -1165,22 +1154,11 @@ static const struct seq_operations xt_target_seq_ops = {
static int xt_target_open(struct inode *inode, struct file *file)
{
struct seq_file *seq;
struct nf_mttg_trav *trav;
int ret;
trav = kmalloc(sizeof(*trav), GFP_KERNEL);
if (trav == NULL)
trav = __seq_open_private(file, &xt_target_seq_ops, sizeof(*trav));
if (!trav)
return -ENOMEM;
ret = seq_open(file, &xt_target_seq_ops);
if (ret < 0) {
kfree(trav);
return ret;
}
seq = file->private_data;
seq->private = trav;
trav->nfproto = (unsigned long)PDE_DATA(inode);
return 0;
}