__nf_nat_decode_session is called from nf_nat_decode_session as decodefn. before calling decodefn, it already set rcu_read_lock. so rcu_read_lock in __nf_nat_decode_session can be removed. Signed-off-by: Taehee Yoo <ap420073@xxxxxxxxx> --- net/netfilter/nf_nat_core.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 94b14c5..9b68676 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -71,11 +71,10 @@ static void __nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl) if (ct == NULL) return; - family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num; - rcu_read_lock(); + family = nf_ct_l3num(ct); l3proto = __nf_nat_l3proto_find(family); if (l3proto == NULL) - goto out; + return; dir = CTINFO2DIR(ctinfo); if (dir == IP_CT_DIR_ORIGINAL) @@ -84,8 +83,6 @@ static void __nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl) statusbit = IPS_SRC_NAT; l3proto->decode_session(skb, ct, dir, statusbit, fl); -out: - rcu_read_unlock(); } int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family) -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
