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ipv6: Move xfrm_lookup() call down into icmp6_dst_alloc().

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And return error pointers.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-12-06 17:04:13 -05:00
parent 8f0315190d
commit 87a115783e
4 changed files with 12 additions and 29 deletions
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12
net/ipv6/route.c
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@@ -1068,8 +1068,9 @@ static DEFINE_SPINLOCK(icmp6_dst_lock);
struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
const struct in6_addr *addr)
struct flowi6 *fl6)
{
struct dst_entry *dst;
struct rt6_info *rt;
struct inet6_dev *idev = in6_dev_get(dev);
struct net *net = dev_net(dev);
@@ -1080,13 +1081,14 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev, 0);
if (unlikely(!rt)) {
in6_dev_put(idev);
dst = ERR_PTR(-ENOMEM);
goto out;
}
if (neigh)
neigh_hold(neigh);
else {
neigh = __neigh_lookup_errno(&nd_tbl, addr, dev);
neigh = __neigh_lookup_errno(&nd_tbl, &fl6->daddr, dev);
if (IS_ERR(neigh))
neigh = NULL;
}
@@ -1095,7 +1097,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
rt->dst.output = ip6_output;
dst_set_neighbour(&rt->dst, neigh);
atomic_set(&rt->dst.__refcnt, 1);
rt->rt6i_dst.addr = *addr;
rt->rt6i_dst.addr = fl6->daddr;
rt->rt6i_dst.plen = 128;
rt->rt6i_idev = idev;
dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
@@ -1107,8 +1109,10 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
fib6_force_start_gc(net);
dst = xfrm_lookup(net, &rt->dst, flowi6_to_flowi(fl6), NULL, 0);
out:
return &rt->dst;
return dst;
}
int icmp6_dst_gc(void)