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a435a07f91
Commit 8c14586fc320 ("net: ipv6: Use passed in table for nexthop
lookups") introduced a regression: insertion of an IPv6 route in a table
not containing the appropriate connected route for the gateway but which
contained a non-connected route (like a default gateway) fails while it
was previously working:
$ ip link add eth0 type dummy
$ ip link set up dev eth0
$ ip addr add 2001:db8::1/64 dev eth0
$ ip route add ::/0 via 2001:db8::5 dev eth0 table 20
$ ip route add 2001:db8:cafe::1/128 via 2001:db8::6 dev eth0 table 20
RTNETLINK answers: No route to host
$ ip -6 route show table 20
default via 2001:db8::5 dev eth0 metric 1024 pref medium
After this patch, we get:
$ ip route add 2001:db8:cafe::1/128 via 2001:db8::6 dev eth0 table 20
$ ip -6 route show table 20
2001:db8:cafe::1 via 2001:db8::6 dev eth0 metric 1024 pref medium
default via 2001:db8::5 dev eth0 metric 1024 pref medium
Fixes: 8c14586fc320 ("net: ipv6: Use passed in table for nexthop lookups")
Signed-off-by: Vincent Bernat <vincent@bernat.im>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Tested-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>