ipv4, fib: pass LOOPBACK_IFINDEX instead of 0 to flowi4_iif

[sfrench/cifs-2.6.git] / net / ipv6 / ip6mr.c

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 8737400af0a095cac6666112cb8dcd4d60518823..8659067da28e8a8557af6f4109fc52056ccdee1b 100644 (file)
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -700,7 +700,7 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
        struct mr6_table *mrt;
        struct flowi6 fl6 = {
                .flowi6_oif     = dev->ifindex,
-               .flowi6_iif     = skb->skb_iif,
+               .flowi6_iif     = skb->skb_iif ? : LOOPBACK_IFINDEX,
                .flowi6_mark    = skb->mark,
        };
        int err;