ipv6: Log the explicit address that triggered DAD failure

If an interface has multiple addresses, the current message for DAD
failure isn't really helpful, so this patch adds the address itself to
the printk.

Signed-off-by: Jens Rosenboom <jens@mcbone.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 9eb68e92cc18108e762f24cc7f12307018f477cc..1ba42bd6557797a4ae2bb1b78cd8db33e229f989 100644 (file)
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -955,8 +955,8 @@ static void ndisc_recv_na(struct sk_buff *skb)
                 */
                if (skb->pkt_type != PACKET_LOOPBACK)
                        ND_PRINTK1(KERN_WARNING
-                          "ICMPv6 NA: someone advertises our address on %s!\n",
-                          ifp->idev->dev->name);
+                          "ICMPv6 NA: someone advertises our address %pI6 on %s!\n",
+                          &ifp->addr, ifp->idev->dev->name);
                in6_ifa_put(ifp);
                return;
        }