netfilter: nf_nat: remove obsolete rcu_read_unlock call
hlist walk in find_appropriate_src() is not protected anymore by rcu_read_lock(),
so rcu_read_unlock() is unnecessary if in_range() matches.
This bug was added in (c7232c9 netfilter: add protocol independent NAT core).
Signed-off-by: Ulrich Weber <ulrich.weber@sophos.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 65cf694..5f2f910 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -201,10 +201,8 @@
&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
result->dst = tuple->dst;
- if (in_range(l3proto, l4proto, result, range)) {
- rcu_read_unlock();
+ if (in_range(l3proto, l4proto, result, range))
return 1;
- }
}
}
return 0;