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| author | David S. Miller <davem@davemloft.net> | 2011-03-01 14:59:04 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-01 14:59:04 -0800 |
| commit | 2774c131b1d19920b4587db1cfbd6f0750ad1f15 (patch) | |
| tree | 3a0482c727cf4dcc046a211214f12459dcba8271 /net/ipv6/ip6_output.c | |
| parent | 69ead7afdf6028184f713a77376ee26f8aaafdcd (diff) | |
| download | lwn-2774c131b1d19920b4587db1cfbd6f0750ad1f15.tar.gz lwn-2774c131b1d19920b4587db1cfbd6f0750ad1f15.zip | |
xfrm: Handle blackhole route creation via afinfo.
That way we don't have to potentially do this in every xfrm_lookup()
caller.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index ac16f3b2a029..35a4ad90a0f5 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1025,18 +1025,12 @@ struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi *fl, return ERR_PTR(err); if (final_dst) ipv6_addr_copy(&fl->fl6_dst, final_dst); - if (can_sleep) { + if (can_sleep) fl->flags |= FLOWI_FLAG_CAN_SLEEP; - err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, 0); - if (err == -EREMOTE) - return ip6_dst_blackhole(sock_net(sk), dst); - if (err) - return ERR_PTR(err); - } else { - err = xfrm_lookup(sock_net(sk), &dst, fl, sk, 0); - if (err) - return ERR_PTR(err); - } + + err = xfrm_lookup(sock_net(sk), &dst, fl, sk, 0); + if (err) + return ERR_PTR(err); return dst; } EXPORT_SYMBOL_GPL(ip6_dst_lookup_flow); @@ -1070,18 +1064,12 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi *fl, return ERR_PTR(err); if (final_dst) ipv6_addr_copy(&fl->fl6_dst, final_dst); - if (can_sleep) { + if (can_sleep) fl->flags |= FLOWI_FLAG_CAN_SLEEP; - err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, 0); - if (err == -EREMOTE) - return ip6_dst_blackhole(sock_net(sk), dst); - if (err) - return ERR_PTR(err); - } else { - err = xfrm_lookup(sock_net(sk), &dst, fl, sk, 0); - if (err) - return ERR_PTR(err); - } + + err = xfrm_lookup(sock_net(sk), &dst, fl, sk, 0); + if (err) + return ERR_PTR(err); return dst; } EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup_flow); |