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Commit 68acc024 authored by Tommy S. Christensen's avatar Tommy S. Christensen Committed by David S. Miller
Browse files

[NETLINK]: Move broadcast skb_orphan to the skb_get path. 



Cloned packets don't need the orphan call.

Signed-off-by: default avatarTommy S. Christensen <tommy.christensen@tpack.net>
Acked-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent db61ecc3

net/netlink/af_netlink.c

+7 −4
Original line number Diff line number Diff line
@@ -697,7 +697,6 @@ static __inline__ int netlink_broadcast_deliver(struct sock *sk, struct sk_buff 


	if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf &&

	    !test_bit(0, &nlk->state)) {

		skb_orphan(skb);

		skb_set_owner_r(skb, sk);

		skb_queue_tail(&sk->sk_receive_queue, skb);

		sk->sk_data_ready(sk, skb->len);
@@ -736,11 +735,15 @@ static inline int do_one_broadcast(struct sock *sk, 


	sock_hold(sk);

	if (p->skb2 == NULL) {

		if (atomic_read(&p->skb->users) != 1) {

		if (skb_shared(p->skb)) {

			p->skb2 = skb_clone(p->skb, p->allocation);

		} else {

			p->skb2 = p->skb;

			atomic_inc(&p->skb->users);

			p->skb2 = skb_get(p->skb);

			/*

			 * skb ownership may have been set when

			 * delivered to a previous socket.

			 */

			skb_orphan(p->skb2);

		}

	}

	if (p->skb2 == NULL) {