[IPV6]: Get reference to neigh/dev when building ndisc DST.

f7e938b4 · Hideaki Yoshifuji · da0fc845 · f7e938b4
Commit f7e938b4 authored Jul 15, 2003 by Hideaki Yoshifuji
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net/ipv6/route.c net/ipv6/route.c +5 -0

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--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -567,6 +567,11 @@ struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
 	if (unlikely(rt == NULL))
 		goto out;

+	if (dev)
+		dev_hold(dev);
+	if (neigh)
+		neigh_hold(neigh);
+
 	rt->rt6i_dev	  = dev;
 	rt->rt6i_nexthop  = neigh;
 	rt->rt6i_expires  = 0;