[PATCH 3/3] ipv6: Kill ndisc_get_neigh() inline helper.

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It's only used in net/ipv6/route.c and the NULL device check is
superfluous for all of the existing call sites.

Just expand the __ndisc_lookup_errno() call at each location.

Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
 include/net/ndisc.h |    9 ---------
 net/ipv6/route.c    |    7 ++++---
 2 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 62beeb9..c977c37 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -145,13 +145,4 @@ int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl,
 extern void 			inet6_ifinfo_notify(int event,
 						    struct inet6_dev *idev);
 
-static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, const struct in6_addr *addr)
-{
-
-	if (dev)
-		return __neigh_lookup_errno(&nd_tbl, addr, dev);
-
-	return ERR_PTR(-ENODEV);
-}
-
 #endif
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 897a13f..1138b0a 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -744,7 +744,8 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
 #endif
 
 	retry:
-		neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
+		neigh = __neigh_lookup_errno(&nd_tbl, &rt->rt6i_gateway,
+					     rt->rt6i_dev);
 		if (IS_ERR(neigh)) {
 			struct net *net = dev_net(rt->rt6i_dev);
 			int saved_rt_min_interval =
@@ -1085,7 +1086,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
 	if (neigh)
 		neigh_hold(neigh);
 	else {
-		neigh = ndisc_get_neigh(dev, addr);
+		neigh = __neigh_lookup_errno(&nd_tbl, addr, dev);
 		if (IS_ERR(neigh))
 			neigh = NULL;
 	}
@@ -2082,7 +2083,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 		rt->rt6i_flags |= RTF_ANYCAST;
 	else
 		rt->rt6i_flags |= RTF_LOCAL;
-	neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
+	neigh = __neigh_lookup_errno(&nd_tbl, &rt->rt6i_gateway, rt->rt6i_dev);
 	if (IS_ERR(neigh)) {
 		dst_free(&rt->dst);
 
-- 
1.7.7.3

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