diff options
| author | Jan Engelhardt <jengelh@medozas.de> | 2011-06-09 22:16:50 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2011-12-27 20:45:25 +0100 |
| commit | 42c344a3bc6bb2eb4c0bef98d24d53adda255154 (patch) | |
| tree | 22e7e84bd68531ac4fe51cebc813ef9ac41dfd13 /net | |
| parent | netfilter: xtables: add an IPv6 capable version of the ECN match (diff) | |
| download | linux-42c344a3bc6bb2eb4c0bef98d24d53adda255154.tar.xz linux-42c344a3bc6bb2eb4c0bef98d24d53adda255154.zip | |
netfilter: xtables: collapse conditions in xt_ecn
One simplification of an if clause.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/xt_ecn.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/net/netfilter/xt_ecn.c b/net/netfilter/xt_ecn.c index 6ccc35d6cb11..3c831a8efebc 100644 --- a/net/netfilter/xt_ecn.c +++ b/net/netfilter/xt_ecn.c @@ -37,9 +37,8 @@ static bool match_tcp(const struct sk_buff *skb, struct xt_action_param *par) * be good citizens. */ th = skb_header_pointer(skb, par->thoff, sizeof(_tcph), &_tcph); - if (th == NULL) { + if (th == NULL) return false; - } if (einfo->operation & XT_ECN_OP_MATCH_ECE) { if (einfo->invert & XT_ECN_OP_MATCH_ECE) { @@ -75,14 +74,12 @@ static bool ecn_mt4(const struct sk_buff *skb, struct xt_action_param *par) { const struct xt_ecn_info *info = par->matchinfo; - if (info->operation & XT_ECN_OP_MATCH_IP) - if (!match_ip(skb, info)) - return false; + if (info->operation & XT_ECN_OP_MATCH_IP && !match_ip(skb, info)) + return false; - if (info->operation & (XT_ECN_OP_MATCH_ECE | XT_ECN_OP_MATCH_CWR)) { - if (!match_tcp(skb, par)) - return false; - } + if (info->operation & (XT_ECN_OP_MATCH_ECE | XT_ECN_OP_MATCH_CWR) && + !match_tcp(skb, par)) + return false; return true; } |