netfilter: xt_CT: use pr ratelimiting
checkpatch complains about line > 80 but this would require splitting "literal" over two lines which is worse. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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1b6cd67191
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11f7aee232
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@ -82,15 +82,14 @@ xt_ct_set_helper(struct nf_conn *ct, const char *helper_name,
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proto = xt_ct_find_proto(par);
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if (!proto) {
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pr_info("You must specify a L4 protocol, and not use "
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"inversions on it.\n");
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pr_info_ratelimited("You must specify a L4 protocol and not use inversions on it\n");
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return -ENOENT;
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}
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helper = nf_conntrack_helper_try_module_get(helper_name, par->family,
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proto);
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if (helper == NULL) {
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pr_info("No such helper \"%s\"\n", helper_name);
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pr_info_ratelimited("No such helper \"%s\"\n", helper_name);
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return -ENOENT;
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}
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@ -124,6 +123,7 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
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const struct nf_conntrack_l4proto *l4proto;
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struct ctnl_timeout *timeout;
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struct nf_conn_timeout *timeout_ext;
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const char *errmsg = NULL;
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int ret = 0;
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u8 proto;
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@ -131,29 +131,29 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
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timeout_find_get = rcu_dereference(nf_ct_timeout_find_get_hook);
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if (timeout_find_get == NULL) {
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ret = -ENOENT;
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pr_info("Timeout policy base is empty\n");
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errmsg = "Timeout policy base is empty";
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goto out;
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}
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proto = xt_ct_find_proto(par);
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if (!proto) {
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ret = -EINVAL;
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pr_info("You must specify a L4 protocol, and not use "
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"inversions on it.\n");
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errmsg = "You must specify a L4 protocol and not use inversions on it";
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goto out;
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}
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timeout = timeout_find_get(par->net, timeout_name);
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if (timeout == NULL) {
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ret = -ENOENT;
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pr_info("No such timeout policy \"%s\"\n", timeout_name);
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pr_info_ratelimited("No such timeout policy \"%s\"\n",
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timeout_name);
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goto out;
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}
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if (timeout->l3num != par->family) {
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ret = -EINVAL;
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pr_info("Timeout policy `%s' can only be used by L3 protocol "
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"number %d\n", timeout_name, timeout->l3num);
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pr_info_ratelimited("Timeout policy `%s' can only be used by L%d protocol number %d\n",
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timeout_name, 3, timeout->l3num);
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goto err_put_timeout;
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}
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/* Make sure the timeout policy matches any existing protocol tracker,
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@ -162,9 +162,8 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
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l4proto = __nf_ct_l4proto_find(par->family, proto);
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if (timeout->l4proto->l4proto != l4proto->l4proto) {
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ret = -EINVAL;
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pr_info("Timeout policy `%s' can only be used by L4 protocol "
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"number %d\n",
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timeout_name, timeout->l4proto->l4proto);
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pr_info_ratelimited("Timeout policy `%s' can only be used by L%d protocol number %d\n",
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timeout_name, 4, timeout->l4proto->l4proto);
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goto err_put_timeout;
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}
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timeout_ext = nf_ct_timeout_ext_add(ct, timeout, GFP_ATOMIC);
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@ -180,6 +179,8 @@ err_put_timeout:
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__xt_ct_tg_timeout_put(timeout);
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out:
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rcu_read_unlock();
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if (errmsg)
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pr_info_ratelimited("%s\n", errmsg);
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return ret;
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#else
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return -EOPNOTSUPP;
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