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Commit b1429553 authored by Ville Nuorvala's avatar Ville Nuorvala Committed by David S. Miller
Browse files

[IPV6]: Make sure fib6_rule_lookup doesn't return NULL 



The callers of fib6_rule_lookup don't expect it to return NULL,
therefore it must return ip6_null_entry whenever fib_rule_lookup fails.

Signed-off-by: default avatarVille Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 99a92ff5

net/ipv6/fib6_rules.c

+5 −1
Original line number Original line Diff line number Diff line
@@ -63,7 +63,11 @@ struct dst_entry *fib6_rule_lookup(struct flowi *fl, int flags, 
	if (arg.rule)

	if (arg.rule)

		fib_rule_put(arg.rule);

		fib_rule_put(arg.rule);





	if (arg.result)

		return (struct dst_entry *) arg.result;

		return (struct dst_entry *) arg.result;



	dst_hold(&ip6_null_entry.u.dst);

	return &ip6_null_entry.u.dst;

}

}





static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,

static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,