diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_ecn.c')
| -rw-r--r-- | net/ipv4/netfilter/ipt_ecn.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/net/ipv4/netfilter/ipt_ecn.c b/net/ipv4/netfilter/ipt_ecn.c index 2a1e56b71908..af6e9c778345 100644 --- a/net/ipv4/netfilter/ipt_ecn.c +++ b/net/ipv4/netfilter/ipt_ecn.c @@ -6,7 +6,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/in.h> #include <linux/ip.h> #include <net/ip.h> @@ -67,7 +67,7 @@ static inline bool match_tcp(const struct sk_buff *skb, return true; } -static bool ecn_mt(const struct sk_buff *skb, const struct xt_match_param *par) +static bool ecn_mt(const struct sk_buff *skb, struct xt_action_param *par) { const struct ipt_ecn_info *info = par->matchinfo; @@ -78,32 +78,31 @@ static bool ecn_mt(const struct sk_buff *skb, const struct xt_match_param *par) if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)) { if (ip_hdr(skb)->protocol != IPPROTO_TCP) return false; - if (!match_tcp(skb, info, par->hotdrop)) + if (!match_tcp(skb, info, &par->hotdrop)) return false; } return true; } -static bool ecn_mt_check(const struct xt_mtchk_param *par) +static int ecn_mt_check(const struct xt_mtchk_param *par) { const struct ipt_ecn_info *info = par->matchinfo; const struct ipt_ip *ip = par->entryinfo; if (info->operation & IPT_ECN_OP_MATCH_MASK) - return false; + return -EINVAL; if (info->invert & IPT_ECN_OP_MATCH_MASK) - return false; + return -EINVAL; if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR) && ip->proto != IPPROTO_TCP) { - printk(KERN_WARNING "ipt_ecn: can't match TCP bits in rule for" - " non-tcp packets\n"); - return false; + pr_info("cannot match TCP bits in rule for non-tcp packets\n"); + return -EINVAL; } - return true; + return 0; } static struct xt_match ecn_mt_reg __read_mostly = { |