1 files changed, 11 insertions, 13 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 3f2249b4cd5f..7c1e6469d091 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -79,9 +79,6 @@ u32 udp6_ehashfn(const struct net *net,
 		 const struct in6_addr *faddr,
 		 const __be16 fport)
 {
-	static u32 udp6_ehash_secret __read_mostly;
-	static u32 udp_ipv6_hash_secret __read_mostly;
-
 	u32 lhash, fhash;
 
 	net_get_random_once(&udp6_ehash_secret,
@@ -1101,11 +1098,12 @@ void udp_v6_early_demux(struct sk_buff *skb)
 	else
 		return;
 
-	if (!sk || !refcount_inc_not_zero(&sk->sk_refcnt))
+	if (!sk)
 		return;
 
 	skb->sk = sk;
-	skb->destructor = sock_efree;
+	DEBUG_NET_WARN_ON_ONCE(sk_is_refcounted(sk));
+	skb->destructor = sock_pfree;
 	dst = rcu_dereference(sk->sk_rx_dst);
 
 	if (dst)
@@ -1702,11 +1700,6 @@ int udpv6_getsockopt(struct sock *sk, int level, int optname,
 	return ipv6_getsockopt(sk, level, optname, optval, optlen);
 }
 
-static const struct inet6_protocol udpv6_protocol = {
-	.handler	=	udpv6_rcv,
-	.err_handler	=	udpv6_err,
-	.flags		=	INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
-};
 
 /* ------------------------------------------------------------------------ */
 #ifdef CONFIG_PROC_FS
@@ -1803,7 +1796,12 @@ int __init udpv6_init(void)
 {
 	int ret;
 
-	ret = inet6_add_protocol(&udpv6_protocol, IPPROTO_UDP);
+	net_hotdata.udpv6_protocol = (struct inet6_protocol) {
+		.handler     = udpv6_rcv,
+		.err_handler = udpv6_err,
+		.flags	     = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL,
+	};
+	ret = inet6_add_protocol(&net_hotdata.udpv6_protocol, IPPROTO_UDP);
 	if (ret)
 		goto out;
 
@@ -1814,12 +1812,12 @@ out:
 	return ret;
 
 out_udpv6_protocol:
-	inet6_del_protocol(&udpv6_protocol, IPPROTO_UDP);
+	inet6_del_protocol(&net_hotdata.udpv6_protocol, IPPROTO_UDP);
 	goto out;
 }
 
 void udpv6_exit(void)
 {
 	inet6_unregister_protosw(&udpv6_protosw);
-	inet6_del_protocol(&udpv6_protocol, IPPROTO_UDP);
+	inet6_del_protocol(&net_hotdata.udpv6_protocol, IPPROTO_UDP);
 }