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Commit 4430b897 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso
Browse files

netfilter: cttimeout: remove superfluous check on layer 4 netlink functions 



We assume they are always set accordingly since a874752a
("netfilter: conntrack: timeout interface depend on
CONFIG_NF_CONNTRACK_TIMEOUT"), so we can get rid of this checks.

Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 7052ba40

net/netfilter/nfnetlink_cttimeout.c

+18 −30
Original line number Diff line number Diff line
@@ -53,9 +53,6 @@ ctnl_timeout_parse_policy(void *timeout, 
	struct nlattr **tb;

	int ret = 0;



	if (!l4proto->ctnl_timeout.nlattr_to_obj)

		return 0;



	tb = kcalloc(l4proto->ctnl_timeout.nlattr_max + 1, sizeof(*tb),

		     GFP_KERNEL);
@@ -167,6 +164,8 @@ ctnl_timeout_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type, 
	struct nfgenmsg *nfmsg;

	unsigned int flags = portid ? NLM_F_MULTI : 0;

	const struct nf_conntrack_l4proto *l4proto = timeout->timeout.l4proto;

	struct nlattr *nest_parms;

	int ret;



	event = nfnl_msg_type(NFNL_SUBSYS_CTNETLINK_TIMEOUT, event);

	nlh = nlmsg_put(skb, portid, seq, event, sizeof(*nfmsg), flags);
@@ -186,22 +185,15 @@ ctnl_timeout_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type, 
			 htonl(refcount_read(&timeout->refcnt))))

		goto nla_put_failure;



	if (likely(l4proto->ctnl_timeout.obj_to_nlattr)) {

		struct nlattr *nest_parms;

		int ret;



		nest_parms = nla_nest_start(skb,

					    CTA_TIMEOUT_DATA | NLA_F_NESTED);

	nest_parms = nla_nest_start(skb, CTA_TIMEOUT_DATA | NLA_F_NESTED);

	if (!nest_parms)

		goto nla_put_failure;



		ret = l4proto->ctnl_timeout.obj_to_nlattr(skb,

							&timeout->timeout.data);

	ret = l4proto->ctnl_timeout.obj_to_nlattr(skb, &timeout->timeout.data);

	if (ret < 0)

		goto nla_put_failure;



	nla_nest_end(skb, nest_parms);

	}



	nlmsg_end(skb, nlh);

	return skb->len;
@@ -397,6 +389,8 @@ cttimeout_default_fill_info(struct net *net, struct sk_buff *skb, u32 portid, 
	struct nlmsghdr *nlh;

	struct nfgenmsg *nfmsg;

	unsigned int flags = portid ? NLM_F_MULTI : 0;

	struct nlattr *nest_parms;

	int ret;



	event = nfnl_msg_type(NFNL_SUBSYS_CTNETLINK_TIMEOUT, event);

	nlh = nlmsg_put(skb, portid, seq, event, sizeof(*nfmsg), flags);
@@ -412,12 +406,7 @@ cttimeout_default_fill_info(struct net *net, struct sk_buff *skb, u32 portid, 
	    nla_put_u8(skb, CTA_TIMEOUT_L4PROTO, l4proto->l4proto))

		goto nla_put_failure;



	if (likely(l4proto->ctnl_timeout.obj_to_nlattr)) {

		struct nlattr *nest_parms;

		int ret;



		nest_parms = nla_nest_start(skb,

					    CTA_TIMEOUT_DATA | NLA_F_NESTED);

	nest_parms = nla_nest_start(skb, CTA_TIMEOUT_DATA | NLA_F_NESTED);

	if (!nest_parms)

		goto nla_put_failure;
@@ -426,7 +415,6 @@ cttimeout_default_fill_info(struct net *net, struct sk_buff *skb, u32 portid, 
		goto nla_put_failure;



	nla_nest_end(skb, nest_parms);

	}



	nlmsg_end(skb, nlh);

	return skb->len;

net/netfilter/nft_ct.c

+0 −3
Original line number Diff line number Diff line
@@ -776,9 +776,6 @@ nft_ct_timeout_parse_policy(void *timeouts, 
	struct nlattr **tb;

	int ret = 0;



	if (!l4proto->ctnl_timeout.nlattr_to_obj)

		return 0;



	tb = kcalloc(l4proto->ctnl_timeout.nlattr_max + 1, sizeof(*tb),

		     GFP_KERNEL);