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netfilter: x_tables: remove pr_info where possible

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remove several pr_info messages that cannot be triggered with iptables,
the check is only to ensure input is sane.

iptables(8) already prints error messages in these cases.

Signed-off-by: Florian Westphal <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
This commit is contained in:
Florian Westphal 2018-02-09 15:51:59 +01:00 • committed by Pablo Neira Ayuso
commit 0cc9501f94
7 changed files with 16 additions and 34 deletions
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10
net/ipv4/netfilter/ipt_ECN.c
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@ -98,14 +98,12 @@ static int ecn_tg_check(const struct xt_tgchk_param *par)
const struct ipt_ECN_info *einfo = par->targinfo;
const struct ipt_entry *e = par->entryinfo;
if (einfo->operation & IPT_ECN_OP_MASK) {
pr_info("unsupported ECN operation %x\n", einfo->operation);
if (einfo->operation & IPT_ECN_OP_MASK)
return -EINVAL;
}
if (einfo->ip_ect & ~IPT_ECN_IP_MASK) {
pr_info("new ECT codepoint %x out of mask\n", einfo->ip_ect);
if (einfo->ip_ect & ~IPT_ECN_IP_MASK)
return -EINVAL;
}
if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)) &&
(e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO))) {
pr_info("cannot use TCP operations on a non-tcp rule\n");