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Diffstat (limited to 'net/netfilter/nf_nat_core.c')
-rw-r--r--net/netfilter/nf_nat_core.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 5b9c884..2916f48 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -225,20 +225,21 @@ find_appropriate_src(struct net *net,
.tuple = tuple,
.zone = zone
};
- struct rhlist_head *hl;
+ struct rhlist_head *hl, *h;
hl = rhltable_lookup(&nf_nat_bysource_table, &key,
nf_nat_bysource_params);
- if (!hl)
- return 0;
- ct = container_of(hl, typeof(*ct), nat_bysource);
+ rhl_for_each_entry_rcu(ct, h, hl, nat_bysource) {
+ nf_ct_invert_tuplepr(result,
+ &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
+ result->dst = tuple->dst;
- nf_ct_invert_tuplepr(result,
- &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
- result->dst = tuple->dst;
+ if (in_range(l3proto, l4proto, result, range))
+ return 1;
+ }
- return in_range(l3proto, l4proto, result, range);
+ return 0;
}
/* For [FUTURE] fragmentation handling, we want the least-used
@@ -891,6 +892,8 @@ static void __exit nf_nat_cleanup(void)
#ifdef CONFIG_XFRM
RCU_INIT_POINTER(nf_nat_decode_session_hook, NULL);
#endif
+ synchronize_rcu();
+
for (i = 0; i < NFPROTO_NUMPROTO; i++)
kfree(nf_nat_l4protos[i]);