tree 7894cd9304ab18668c2d003bfa3e8c8c3a31e41f
parent 0a801445db4cb00bc900fd89b1e5eb7d7b581d7e
author Markus Stenberg <markus.stenberg@iki.fi> 1430822219 +0300
committer David S. Miller <davem@davemloft.net> 1431201521 -0400

ipv6: Fixed source specific default route handling.

If there are only IPv6 source specific default routes present, the
host gets -ENETUNREACH on e.g. connect() because ip6_dst_lookup_tail
calls ip6_route_output first, and given source address any, it fails,
and ip6_route_get_saddr is never called.

The change is to use the ip6_route_get_saddr, even if the initial
ip6_route_output fails, and then doing ip6_route_output _again_ after
we have appropriate source address available.

Note that this is '99% fix' to the problem; a correct fix would be to
do route lookups only within addrconf.c when picking a source address,
and never call ip6_route_output before source address has been
populated.

Signed-off-by: Markus Stenberg <markus.stenberg@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>