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ipv6: fix backtracking for throw routes 

for throw routes to trigger evaluation of other policy rules
EAGAIN needs to be propagated up to fib_rules_lookup
similar to how its done for IPv4

A simple testcase for verification is:

ip -6 rule add lookup 33333 priority 33333
ip -6 route add throw 2001:db8::1
ip -6 route add 2001:db8::1 via fe80::1 dev wlan0 table 33333
ip route get 2001:db8::1

Signed-off-by: Steven Barth <cyrus@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steven Barth 2015-03-19 16:16:04 +01:00 committed by David S. Miller
parent 87f966d97b
commit 73ba57bfae
1 changed files with 1 additions and 0 deletions
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net/ipv6/fib6_rules.c
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@ -104,6 +104,7 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
goto again;
flp6->saddr = saddr;
}
err = rt->dst.error;
goto out;
}
again: