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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6

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This commit is contained in:
David S. Miller 2010-05-20 23:12:18 -07:00
commit 41499bd676
4 changed files with 16 additions and 10 deletions
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2
include/linux/netfilter/x_tables.h
View file

@ -333,7 +333,7 @@ struct xt_target {
/* Called when user tries to insert an entry of this type:
hook_mask is a bitmask of hooks from which it can be
called. */
/* Should return true or false, or an error code (-Exxxx). */
/* Should return 0 on success or an error code otherwise (-Exxxx). */
int (*checkentry)(const struct xt_tgchk_param *);
/* Called when entry of this type deleted. */

2
include/net/netfilter/nf_conntrack_core.h
View file

@ -61,7 +61,7 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb)
int ret = NF_ACCEPT;
if (ct && ct != &nf_conntrack_untracked) {
if (!nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct))
if (!nf_ct_is_confirmed(ct))
ret = __nf_conntrack_confirm(skb);
if (likely(ret == NF_ACCEPT))
nf_ct_deliver_cached_events(ct);

10
net/netfilter/nf_conntrack_core.c
View file

@ -424,6 +424,16 @@ __nf_conntrack_confirm(struct sk_buff *skb)
spin_lock_bh(&nf_conntrack_lock);
/* We have to check the DYING flag inside the lock to prevent
a race against nf_ct_get_next_corpse() possibly called from
user context, else we insert an already 'dead' hash, blocking
further use of that particular connection -JM */
if (unlikely(nf_ct_is_dying(ct))) {
spin_unlock_bh(&nf_conntrack_lock);
return NF_ACCEPT;
}
/* See if there's one in the list already, including reverse:
NAT could have grabbed it without realizing, since we're
not in the hash. If there is, we lost race. */

12
net/netfilter/nf_conntrack_sip.c
View file

@ -1393,10 +1393,8 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
nf_ct_refresh(ct, skb, sip_timeout * HZ);
if (skb_is_nonlinear(skb)) {
pr_debug("Copy of skbuff not supported yet.\n");
return NF_ACCEPT;
}
if (unlikely(skb_linearize(skb)))
return NF_DROP;
dptr = skb->data + dataoff;
datalen = skb->len - dataoff;
@ -1455,10 +1453,8 @@ static int sip_help_udp(struct sk_buff *skb, unsigned int protoff,
nf_ct_refresh(ct, skb, sip_timeout * HZ);
if (skb_is_nonlinear(skb)) {
pr_debug("Copy of skbuff not supported yet.\n");
return NF_ACCEPT;
}
if (unlikely(skb_linearize(skb)))
return NF_DROP;
dptr = skb->data + dataoff;
datalen = skb->len - dataoff;