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| author | David S. Miller <davem@davemloft.net> | 2017-01-05 11:03:07 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-05 11:03:07 -0500 |
| commit | 76eb75be79b52a3c6ae1fd840083fa1a04458c1c (patch) | |
| tree | bb90a570be2b1f521913b6233e11bae841608ad0 /net/ipv4/ip_sockglue.c | |
| parent | 57ea884b0dcf1e59661955919976ef138ec9cdb0 (diff) | |
| parent | e02003b515e8d95f40f20f213622bb82510873d2 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/ipv4/ip_sockglue.c')
| -rw-r--r-- | net/ipv4/ip_sockglue.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 1caa38d8a9c9..8a4409dd390a 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -1230,8 +1230,14 @@ void ipv4_pktinfo_prepare(const struct sock *sk, struct sk_buff *skb) * which has interface index (iif) as the first member of the * underlying inet{6}_skb_parm struct. This code then overlays * PKTINFO_SKB_CB and in_pktinfo also has iif as the first - * element so the iif is picked up from the prior IPCB + * element so the iif is picked up from the prior IPCB. If iif + * is the loopback interface, then return the sending interface + * (e.g., process binds socket to eth0 for Tx which is + * redirected to loopback in the rtable/dst). */ + if (pktinfo->ipi_ifindex == LOOPBACK_IFINDEX) + pktinfo->ipi_ifindex = inet_iif(skb); + pktinfo->ipi_spec_dst.s_addr = fib_compute_spec_dst(skb); } else { pktinfo->ipi_ifindex = 0; |