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Diffstat (limited to 'net/appletalk/ddp.c')
-rw-r--r--net/appletalk/ddp.c31
1 files changed, 22 insertions, 9 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 1d31b3a3f1e5..7982656b9c83 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -100,8 +100,7 @@ static struct sock *atalk_search_socket(struct sockaddr_at *to,
100 continue; 100 continue;
101 101
102 if (to->sat_addr.s_net == ATADDR_ANYNET && 102 if (to->sat_addr.s_net == ATADDR_ANYNET &&
103 to->sat_addr.s_node == ATADDR_BCAST && 103 to->sat_addr.s_node == ATADDR_BCAST)
104 at->src_net == atif->address.s_net)
105 goto found; 104 goto found;
106 105
107 if (to->sat_addr.s_net == at->src_net && 106 if (to->sat_addr.s_net == at->src_net &&
@@ -1443,8 +1442,10 @@ static int atalk_rcv(struct sk_buff *skb, struct net_device *dev,
1443 else 1442 else
1444 atif = atalk_find_interface(ddp->deh_dnet, ddp->deh_dnode); 1443 atif = atalk_find_interface(ddp->deh_dnet, ddp->deh_dnode);
1445 1444
1446 /* Not ours, so we route the packet via the correct AppleTalk iface */
1447 if (!atif) { 1445 if (!atif) {
1446 /* Not ours, so we route the packet via the correct
1447 * AppleTalk iface
1448 */
1448 atalk_route_packet(skb, dev, ddp, &ddphv, origlen); 1449 atalk_route_packet(skb, dev, ddp, &ddphv, origlen);
1449 goto out; 1450 goto out;
1450 } 1451 }
@@ -1592,9 +1593,6 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
1592 1593
1593 if (usat->sat_addr.s_net || usat->sat_addr.s_node == ATADDR_ANYNODE) { 1594 if (usat->sat_addr.s_net || usat->sat_addr.s_node == ATADDR_ANYNODE) {
1594 rt = atrtr_find(&usat->sat_addr); 1595 rt = atrtr_find(&usat->sat_addr);
1595 if (!rt)
1596 return -ENETUNREACH;
1597
1598 dev = rt->dev; 1596 dev = rt->dev;
1599 } else { 1597 } else {
1600 struct atalk_addr at_hint; 1598 struct atalk_addr at_hint;
@@ -1603,11 +1601,12 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
1603 at_hint.s_net = at->src_net; 1601 at_hint.s_net = at->src_net;
1604 1602
1605 rt = atrtr_find(&at_hint); 1603 rt = atrtr_find(&at_hint);
1606 if (!rt)
1607 return -ENETUNREACH;
1608
1609 dev = rt->dev; 1604 dev = rt->dev;
1610 } 1605 }
1606 if (!rt)
1607 return -ENETUNREACH;
1608
1609 dev = rt->dev;
1611 1610
1612 SOCK_DEBUG(sk, "SK %p: Size needed %d, device %s\n", 1611 SOCK_DEBUG(sk, "SK %p: Size needed %d, device %s\n",
1613 sk, size, dev->name); 1612 sk, size, dev->name);
@@ -1677,6 +1676,20 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
1677 SOCK_DEBUG(sk, "SK %p: Loop back.\n", sk); 1676 SOCK_DEBUG(sk, "SK %p: Loop back.\n", sk);
1678 /* loop back */ 1677 /* loop back */
1679 skb_orphan(skb); 1678 skb_orphan(skb);
1679 if (ddp->deh_dnode == ATADDR_BCAST) {
1680 struct atalk_addr at_lo;
1681
1682 at_lo.s_node = 0;
1683 at_lo.s_net = 0;
1684
1685 rt = atrtr_find(&at_lo);
1686 if (!rt) {
1687 kfree_skb(skb);
1688 return -ENETUNREACH;
1689 }
1690 dev = rt->dev;
1691 skb->dev = dev;
1692 }
1680 ddp_dl->request(ddp_dl, skb, dev->dev_addr); 1693 ddp_dl->request(ddp_dl, skb, dev->dev_addr);
1681 } else { 1694 } else {
1682 SOCK_DEBUG(sk, "SK %p: send out.\n", sk); 1695 SOCK_DEBUG(sk, "SK %p: send out.\n", sk);