David Ahern 1cbec07649 net: Only honor ifindex in IP_PKTINFO if non-0
Only allow ifindex from IP_PKTINFO to override SO_BINDTODEVICE settings
if the index is actually set in the message.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-16 16:42:17 -05:00
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