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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2006-09-22 14:44:53 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 15:20:27 -0700
commitfc26d0abd5afd2b5268a7dbdbf8be1095ce5703e (patch)
treebfb7beca3f0286920e5518541e10c380a6fb8ac6 /net
parent8814c4b533817df825485ff32ce6ac406c3a54d1 (diff)
[IPV6] NDISC: Fix is_router flag setting.
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>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/ndisc.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 76517a5f657..0304b5fe8d6 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -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;