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Diffstat (limited to 'net/phonet/af_phonet.c')
-rw-r--r--net/phonet/af_phonet.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 13cb323f8c3..a662e62a99c 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -275,8 +275,6 @@ static inline int can_respond(struct sk_buff *skb)
return 0;
ph = pn_hdr(skb);
- if (phonet_address_get(skb->dev, ph->pn_rdev) != ph->pn_rdev)
- return 0; /* we are not the destination */
if (ph->pn_res == PN_PREFIX && !pskb_may_pull(skb, 5))
return 0;
if (ph->pn_res == PN_COMMGR) /* indications */
@@ -344,8 +342,8 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pkttype,
struct net_device *orig_dev)
{
+ struct net *net = dev_net(dev);
struct phonethdr *ph;
- struct sock *sk;
struct sockaddr_pn sa;
u16 len;
@@ -364,29 +362,28 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
skb_reset_transport_header(skb);
pn_skb_get_dst_sockaddr(skb, &sa);
- if (pn_sockaddr_get_addr(&sa) == 0)
- goto out; /* currently, we cannot be device 0 */
- sk = pn_find_sock_by_sa(dev_net(dev), &sa);
- if (sk == NULL) {
+ /* check if we are the destination */
+ if (phonet_address_lookup(net, pn_sockaddr_get_addr(&sa)) == 0) {
+ /* Phonet packet input */
+ struct sock *sk = pn_find_sock_by_sa(net, &sa);
+
+ if (sk)
+ return sk_receive_skb(sk, skb, 0);
+
if (can_respond(skb)) {
send_obj_unreachable(skb);
send_reset_indications(skb);
}
- goto out;
}
- /* Push data to the socket (or other sockets connected to it). */
- return sk_receive_skb(sk, skb, 0);
-
out:
kfree_skb(skb);
return NET_RX_DROP;
}
-static struct packet_type phonet_packet_type = {
- .type = __constant_htons(ETH_P_PHONET),
- .dev = NULL,
+static struct packet_type phonet_packet_type __read_mostly = {
+ .type = cpu_to_be16(ETH_P_PHONET),
.func = phonet_rcv,
};
@@ -428,16 +425,18 @@ static int __init phonet_init(void)
{
int err;
+ err = phonet_device_init();
+ if (err)
+ return err;
+
err = sock_register(&phonet_proto_family);
if (err) {
printk(KERN_ALERT
"phonet protocol family initialization failed\n");
- return err;
+ goto err_sock;
}
- phonet_device_init();
dev_add_pack(&phonet_packet_type);
- phonet_netlink_register();
phonet_sysctl_init();
err = isi_register();
@@ -449,6 +448,7 @@ err:
phonet_sysctl_exit();
sock_unregister(PF_PHONET);
dev_remove_pack(&phonet_packet_type);
+err_sock:
phonet_device_exit();
return err;
}