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[IPV6] NDISC: Fix is_router flag setting.

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We did not send appropriate IsRouter flag if the forwarding setting is
positive even value.  Let's give 1/0 value to ndisc_send_na().

Also, existing users of ndisc_send_na() give 0/1 to override,
we can omit redundant operation in that function.

Bug hinted by Nicolas Dichtel <nicolas.dichtel@6wind.com>.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-09-22 14:44:53 -07:00 committed by David S. Miller
parent 8814c4b533
commit fc26d0abd5
1 changed files with 2 additions and 5 deletions
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7
net/ipv6/ndisc.c
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@ -496,7 +496,7 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
msg->icmph.icmp6_unused = 0;
msg->icmph.icmp6_router = router;
msg->icmph.icmp6_solicited = solicited;
msg->icmph.icmp6_override = !!override;
msg->icmph.icmp6_override = override;
/* Set the target address. */
ipv6_addr_copy(&msg->target, solicited_addr);
@ -847,10 +847,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
goto out;
}
if (pneigh)
is_router = pneigh->flags & NTF_ROUTER;
else
is_router = idev->cnf.forwarding;
is_router = !!(pneigh ? pneigh->flags & NTF_ROUTER : idev->cnf.forwarding);
if (dad) {
struct in6_addr maddr;