aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/isdn/i4l/isdn_net.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn/i4l/isdn_net.c')
-rw-r--r--drivers/isdn/i4l/isdn_net.c34
1 files changed, 14 insertions, 20 deletions
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index bb904a0a98bd..60c82d7b12a8 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1654,9 +1654,10 @@ isdn_net_ciscohdlck_slarp_in(isdn_net_local *lp, struct sk_buff *skb)
1654 unsigned char *p; 1654 unsigned char *p;
1655 int period; 1655 int period;
1656 u32 code; 1656 u32 code;
1657 u32 my_seq, addr; 1657 u32 my_seq;
1658 u32 your_seq, mask; 1658 u32 your_seq;
1659 u32 local; 1659 __be32 local;
1660 __be32 *addr, *mask;
1660 u16 unused; 1661 u16 unused;
1661 1662
1662 if (skb->len < 14) 1663 if (skb->len < 14)
@@ -1671,27 +1672,20 @@ isdn_net_ciscohdlck_slarp_in(isdn_net_local *lp, struct sk_buff *skb)
1671 isdn_net_ciscohdlck_slarp_send_reply(lp); 1672 isdn_net_ciscohdlck_slarp_send_reply(lp);
1672 break; 1673 break;
1673 case CISCO_SLARP_REPLY: 1674 case CISCO_SLARP_REPLY:
1674 addr = ntohl(*(u32 *)p); 1675 addr = (__be32 *)p;
1675 mask = ntohl(*(u32 *)(p+4)); 1676 mask = (__be32 *)(p + 4);
1676 if (mask != 0xfffffffc) 1677 if (*mask != cpu_to_be32(0xfffffffc))
1677 goto slarp_reply_out; 1678 goto slarp_reply_out;
1678 if ((addr & 3) == 0 || (addr & 3) == 3) 1679 if ((*addr & cpu_to_be32(3)) == cpu_to_be32(0) ||
1680 (*addr & cpu_to_be32(3)) == cpu_to_be32(3))
1679 goto slarp_reply_out; 1681 goto slarp_reply_out;
1680 local = addr ^ 3; 1682 local = *addr ^ cpu_to_be32(3);
1681 printk(KERN_INFO "%s: got slarp reply: " 1683 printk(KERN_INFO "%s: got slarp reply: remote ip: %pI4, local ip: %pI4 mask: %pI4\n",
1682 "remote ip: %d.%d.%d.%d, " 1684 lp->netdev->dev->name, addr, &local, mask);
1683 "local ip: %d.%d.%d.%d "
1684 "mask: %d.%d.%d.%d\n",
1685 lp->netdev->dev->name,
1686 HIPQUAD(addr),
1687 HIPQUAD(local),
1688 HIPQUAD(mask));
1689 break; 1685 break;
1690 slarp_reply_out: 1686 slarp_reply_out:
1691 printk(KERN_INFO "%s: got invalid slarp " 1687 printk(KERN_INFO "%s: got invalid slarp reply (%pI4/%pI4) - ignored\n",
1692 "reply (%d.%d.%d.%d/%d.%d.%d.%d) " 1688 lp->netdev->dev->name, addr, mask);
1693 "- ignored\n", lp->netdev->dev->name,
1694 HIPQUAD(addr), HIPQUAD(mask));
1695 break; 1689 break;
1696 case CISCO_SLARP_KEEPALIVE: 1690 case CISCO_SLARP_KEEPALIVE:
1697 period = (int)((jiffies - lp->cisco_last_slarp_in 1691 period = (int)((jiffies - lp->cisco_last_slarp_in