1 files changed, 11 insertions, 22 deletions

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index bca50b95c182..b077b90c1254 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -131,7 +131,7 @@ int netlink_add_tap(struct netlink_tap *nt)
 }
 EXPORT_SYMBOL_GPL(netlink_add_tap);
 
-int __netlink_remove_tap(struct netlink_tap *nt)
+static int __netlink_remove_tap(struct netlink_tap *nt)
 {
 	bool found = false;
 	struct netlink_tap *tmp;
@@ -155,7 +155,6 @@ out:
 
 	return found ? 0 : -ENODEV;
 }
-EXPORT_SYMBOL_GPL(__netlink_remove_tap);
 
 int netlink_remove_tap(struct netlink_tap *nt)
 {
@@ -204,6 +203,8 @@ static int __netlink_deliver_tap_skb(struct sk_buff *skb,
 	if (nskb) {
 		nskb->dev = dev;
 		nskb->protocol = htons((u16) sk->sk_protocol);
+		nskb->pkt_type = netlink_is_kernel(sk) ?
+				 PACKET_KERNEL : PACKET_USER;
 
 		ret = dev_queue_xmit(nskb);
 		if (unlikely(ret > 0))
@@ -239,6 +240,13 @@ static void netlink_deliver_tap(struct sk_buff *skb)
 	rcu_read_unlock();
 }
 
+static void netlink_deliver_tap_kernel(struct sock *dst, struct sock *src,
+				       struct sk_buff *skb)
+{
+	if (!(netlink_is_kernel(dst) && netlink_is_kernel(src)))
+		netlink_deliver_tap(skb);
+}
+
 static void netlink_overrun(struct sock *sk)
 {
 	struct netlink_sock *nlk = nlk_sk(sk);
@@ -1697,14 +1705,10 @@ static int netlink_unicast_kernel(struct sock *sk, struct sk_buff *skb,
 
 	ret = -ECONNREFUSED;
 	if (nlk->netlink_rcv != NULL) {
-		/* We could do a netlink_deliver_tap(skb) here as well
-		 * but since this is intended for the kernel only, we
-		 * should rather let it stay under the hood.
-		 */
-
 		ret = skb->len;
 		netlink_skb_set_owner_r(skb, sk);
 		NETLINK_CB(skb).sk = ssk;
+		netlink_deliver_tap_kernel(sk, ssk, skb);
 		nlk->netlink_rcv(skb);
 		consume_skb(skb);
 	} else {
@@ -2535,21 +2539,6 @@ void __netlink_clear_multicast_users(struct sock *ksk, unsigned int group)
 		netlink_update_socket_mc(nlk_sk(sk), group, 0);
 }
 
-/**
- * netlink_clear_multicast_users - kick off multicast listeners
- *
- * This function removes all listeners from the given group.
- * @ksk: The kernel netlink socket, as returned by
- *	netlink_kernel_create().
- * @group: The multicast group to clear.
- */
-void netlink_clear_multicast_users(struct sock *ksk, unsigned int group)
-{
-	netlink_table_grab();
-	__netlink_clear_multicast_users(ksk, group);
-	netlink_table_ungrab();
-}
-
 struct nlmsghdr *
 __nlmsg_put(struct sk_buff *skb, u32 portid, u32 seq, int type, int len, int flags)
 {