1 files changed, 9 insertions, 21 deletions

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 01f3515cada0..674390b1f084 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2903,13 +2903,15 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
 	if (skb == NULL)
 		goto out_unlock;
 
-	skb_set_network_header(skb, reserve);
+	skb_reset_network_header(skb);
 
 	err = -EINVAL;
 	if (sock->type == SOCK_DGRAM) {
 		offset = dev_hard_header(skb, dev, ntohs(proto), addr, NULL, len);
 		if (unlikely(offset < 0))
 			goto out_free;
+	} else if (reserve) {
+		skb_reserve(skb, -reserve);
 	}
 
 	/* Returns -EFAULT on error */
@@ -4108,12 +4110,11 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
 	return 0;
 }
 
-static __poll_t packet_poll(struct file *file, struct socket *sock,
-				poll_table *wait)
+static __poll_t packet_poll_mask(struct socket *sock, __poll_t events)
 {
 	struct sock *sk = sock->sk;
 	struct packet_sock *po = pkt_sk(sk);
-	__poll_t mask = datagram_poll(file, sock, wait);
+	__poll_t mask = datagram_poll_mask(sock, events);
 
 	spin_lock_bh(&sk->sk_receive_queue.lock);
 	if (po->rx_ring.pg_vec) {
@@ -4455,7 +4456,7 @@ static const struct proto_ops packet_ops_spkt = {
 	.socketpair =	sock_no_socketpair,
 	.accept =	sock_no_accept,
 	.getname =	packet_getname_spkt,
-	.poll =		datagram_poll,
+	.poll_mask =	datagram_poll_mask,
 	.ioctl =	packet_ioctl,
 	.listen =	sock_no_listen,
 	.shutdown =	sock_no_shutdown,
@@ -4476,7 +4477,7 @@ static const struct proto_ops packet_ops = {
 	.socketpair =	sock_no_socketpair,
 	.accept =	sock_no_accept,
 	.getname =	packet_getname,
-	.poll =		packet_poll,
+	.poll_mask =	packet_poll_mask,
 	.ioctl =	packet_ioctl,
 	.listen =	sock_no_listen,
 	.shutdown =	sock_no_shutdown,
@@ -4554,20 +4555,6 @@ static const struct seq_operations packet_seq_ops = {
 	.stop	= packet_seq_stop,
 	.show	= packet_seq_show,
 };
-
-static int packet_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open_net(inode, file, &packet_seq_ops,
-			    sizeof(struct seq_net_private));
-}
-
-static const struct file_operations packet_seq_fops = {
-	.open		= packet_seq_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release_net,
-};
-
 #endif
 
 static int __net_init packet_net_init(struct net *net)
@@ -4575,7 +4562,8 @@ static int __net_init packet_net_init(struct net *net)
 	mutex_init(&net->packet.sklist_lock);
 	INIT_HLIST_HEAD(&net->packet.sklist);
 
-	if (!proc_create("packet", 0, net->proc_net, &packet_seq_fops))
+	if (!proc_create_net("packet", 0, net->proc_net, &packet_seq_ops,
+			sizeof(struct seq_net_private)))
 		return -ENOMEM;
 
 	return 0;