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ipv4: return valid RTA_IIF on ip route get

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[ Upstream commit 91146153da ]

Extend commit 13378cad02
("ipv4: Change rt->rt_iif encoding.") from 3.6 to return valid
RTA_IIF on 'ip route get ... iif DEVICE' instead of rt_iif 0
which is displayed as 'iif *'.

inet_iif is not appropriate to use because skb_iif is not set.
Use the skb->dev->ifindex instead.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Julian Anastasov 2014-04-13 18:08:02 +03:00 • committed by Greg Kroah-Hartman
commit da1bba1f78
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/route.c
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@ -2306,7 +2306,7 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
}
} else
#endif
if (nla_put_u32(skb, RTA_IIF, rt->rt_iif))
if (nla_put_u32(skb, RTA_IIF, skb->dev->ifindex))
goto nla_put_failure;
}