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path: root/net/ipv4/netfilter/ip_conntrack_netlink.c
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Diffstat (limited to 'net/ipv4/netfilter/ip_conntrack_netlink.c')
-rw-r--r--net/ipv4/netfilter/ip_conntrack_netlink.c36
1 files changed, 14 insertions, 22 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c
index 91fe8f2e38ffe5..c9ebbe0d2d9cc6 100644
--- a/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -79,6 +79,7 @@ ctnetlink_dump_tuples(struct sk_buff *skb,
const struct ip_conntrack_tuple *tuple)
{
struct nfattr *nest_parms;
+ int ret;
nest_parms = NFA_NEST(skb, CTA_TUPLE_IP);
NFA_PUT(skb, CTA_IP_V4_SRC, sizeof(u_int32_t), &tuple->src.ip);
@@ -86,10 +87,10 @@ ctnetlink_dump_tuples(struct sk_buff *skb,
NFA_NEST_END(skb, nest_parms);
nest_parms = NFA_NEST(skb, CTA_TUPLE_PROTO);
- ctnetlink_dump_tuples_proto(skb, tuple);
+ ret = ctnetlink_dump_tuples_proto(skb, tuple);
NFA_NEST_END(skb, nest_parms);
- return 0;
+ return ret;
nfattr_failure:
return -1;
@@ -160,7 +161,7 @@ ctnetlink_dump_helpinfo(struct sk_buff *skb, const struct ip_conntrack *ct)
return 0;
nest_helper = NFA_NEST(skb, CTA_HELP);
- NFA_PUT(skb, CTA_HELP_NAME, CTA_HELP_MAXNAMESIZE, &ct->helper->name);
+ NFA_PUT(skb, CTA_HELP_NAME, strlen(ct->helper->name), ct->helper->name);
if (ct->helper->to_nfattr)
ct->helper->to_nfattr(skb, ct);
@@ -229,7 +230,7 @@ nfattr_failure:
static inline int
ctnetlink_dump_use(struct sk_buff *skb, const struct ip_conntrack *ct)
{
- unsigned int use = htonl(atomic_read(&ct->ct_general.use));
+ u_int32_t use = htonl(atomic_read(&ct->ct_general.use));
NFA_PUT(skb, CTA_USE, sizeof(u_int32_t), &use);
return 0;
@@ -311,29 +312,22 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
if (events & IPCT_DESTROY) {
type = IPCTNL_MSG_CT_DELETE;
group = NFNLGRP_CONNTRACK_DESTROY;
- goto alloc_skb;
- }
- if (events & (IPCT_NEW | IPCT_RELATED)) {
+ } else if (events & (IPCT_NEW | IPCT_RELATED)) {
type = IPCTNL_MSG_CT_NEW;
flags = NLM_F_CREATE|NLM_F_EXCL;
/* dump everything */
events = ~0UL;
group = NFNLGRP_CONNTRACK_NEW;
- goto alloc_skb;
- }
- if (events & (IPCT_STATUS |
+ } else if (events & (IPCT_STATUS |
IPCT_PROTOINFO |
IPCT_HELPER |
IPCT_HELPINFO |
IPCT_NATINFO)) {
type = IPCTNL_MSG_CT_NEW;
group = NFNLGRP_CONNTRACK_UPDATE;
- goto alloc_skb;
- }
+ } else
+ return NOTIFY_DONE;
- return NOTIFY_DONE;
-
-alloc_skb:
/* FIXME: Check if there are any listeners before, don't hurt performance */
skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
@@ -1037,6 +1031,11 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
return err;
}
+#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
+ if (cda[CTA_MARK-1])
+ ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
+#endif
+
ct->helper = ip_conntrack_helper_find_get(rtuple);
add_timer(&ct->timeout);
@@ -1045,11 +1044,6 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
if (ct->helper)
ip_conntrack_helper_put(ct->helper);
-#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
- if (cda[CTA_MARK-1])
- ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
-#endif
-
DEBUGP("conntrack with id %u inserted\n", ct->id);
return 0;
@@ -1209,7 +1203,6 @@ static int ctnetlink_expect_event(struct notifier_block *this,
unsigned int type;
unsigned char *b;
int flags = 0;
- u16 proto;
if (events & IPEXP_NEW) {
type = IPCTNL_MSG_EXP_NEW;
@@ -1236,7 +1229,6 @@ static int ctnetlink_expect_event(struct notifier_block *this,
goto nfattr_failure;
nlh->nlmsg_len = skb->tail - b;
- proto = exp->tuple.dst.protonum;
nfnetlink_send(skb, 0, NFNLGRP_CONNTRACK_EXP_NEW, 0);
return NOTIFY_DONE;