From 772476df7047db87ac4174d1ed396512912d23bf Mon Sep 17 00:00:00 2001 From: Rob Jones Date: Fri, 19 Sep 2014 11:27:51 +0100 Subject: [PATCH] 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 Signed-off-by: Pablo Neira Ayuso --- net/netfilter/x_tables.c | 30 ++++-------------------------- 1 file changed, 4 insertions(+), 26 deletions(-) diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 272ae4d6fdf4..133eb4772f12 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -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; }