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path: root/net/netfilter/nf_conntrack_core.c
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Diffstat (limited to 'net/netfilter/nf_conntrack_core.c')
-rw-r--r--net/netfilter/nf_conntrack_core.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index b77eb56a87e3..4eac65c74ed0 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -94,7 +94,7 @@ static inline u_int32_t hash_conntrack(const struct nf_conntrack_tuple *tuple)
nf_conntrack_hash_rnd);
}
-int
+bool
nf_ct_get_tuple(const struct sk_buff *skb,
unsigned int nhoff,
unsigned int dataoff,
@@ -108,7 +108,7 @@ nf_ct_get_tuple(const struct sk_buff *skb,
tuple->src.l3num = l3num;
if (l3proto->pkt_to_tuple(skb, nhoff, tuple) == 0)
- return 0;
+ return false;
tuple->dst.protonum = protonum;
tuple->dst.dir = IP_CT_DIR_ORIGINAL;
@@ -117,10 +117,8 @@ nf_ct_get_tuple(const struct sk_buff *skb,
}
EXPORT_SYMBOL_GPL(nf_ct_get_tuple);
-int nf_ct_get_tuplepr(const struct sk_buff *skb,
- unsigned int nhoff,
- u_int16_t l3num,
- struct nf_conntrack_tuple *tuple)
+bool nf_ct_get_tuplepr(const struct sk_buff *skb, unsigned int nhoff,
+ u_int16_t l3num, struct nf_conntrack_tuple *tuple)
{
struct nf_conntrack_l3proto *l3proto;
struct nf_conntrack_l4proto *l4proto;
@@ -134,7 +132,7 @@ int nf_ct_get_tuplepr(const struct sk_buff *skb,
ret = l3proto->get_l4proto(skb, nhoff, &protoff, &protonum);
if (ret != NF_ACCEPT) {
rcu_read_unlock();
- return 0;
+ return false;
}
l4proto = __nf_ct_l4proto_find(l3num, protonum);
@@ -147,7 +145,7 @@ int nf_ct_get_tuplepr(const struct sk_buff *skb,
}
EXPORT_SYMBOL_GPL(nf_ct_get_tuplepr);
-int
+bool
nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
const struct nf_conntrack_tuple *orig,
const struct nf_conntrack_l3proto *l3proto,
@@ -157,7 +155,7 @@ nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
inverse->src.l3num = orig->src.l3num;
if (l3proto->invert_tuple(inverse, orig) == 0)
- return 0;
+ return false;
inverse->dst.dir = !orig->dst.dir;
@@ -194,8 +192,7 @@ destroy_conntrack(struct nf_conntrack *nfct)
* destroy_conntrack() MUST NOT be called with a write lock
* to nf_conntrack_lock!!! -HW */
rcu_read_lock();
- l4proto = __nf_ct_l4proto_find(ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.l3num,
- ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.protonum);
+ l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct));
if (l4proto && l4proto->destroy)
l4proto->destroy(ct);
@@ -739,10 +736,10 @@ nf_conntrack_in(int pf, unsigned int hooknum, struct sk_buff *skb)
}
EXPORT_SYMBOL_GPL(nf_conntrack_in);
-int nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse,
- const struct nf_conntrack_tuple *orig)
+bool nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse,
+ const struct nf_conntrack_tuple *orig)
{
- int ret;
+ bool ret;
rcu_read_lock();
ret = nf_ct_invert_tuple(inverse, orig,
@@ -766,10 +763,10 @@ void nf_conntrack_alter_reply(struct nf_conn *ct,
NF_CT_ASSERT(!nf_ct_is_confirmed(ct));
pr_debug("Altering reply tuple of %p to ", ct);
- NF_CT_DUMP_TUPLE(newreply);
+ nf_ct_dump_tuple(newreply);
ct->tuplehash[IP_CT_DIR_REPLY].tuple = *newreply;
- if (ct->master || (help && help->expecting != 0))
+ if (ct->master || (help && !hlist_empty(&help->expectations)))
return;
rcu_read_lock();