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| author | Ville Nuorvala <vnuorval@tcs.hut.fi> | 2006-08-08 16:44:17 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-09-22 14:54:12 -0700 |
| commit | b14295532421c40f82ee099fdbd3d011f022e756 (patch) | |
| tree | 5b08b1c3ef0a33952db11c484fb0e2c69190aac6 | |
| parent | 99a92ff50424146ba01a222248fd47a1cd55b78f (diff) | |
| download | op-kernel-dev-b14295532421c40f82ee099fdbd3d011f022e756.zip op-kernel-dev-b14295532421c40f82ee099fdbd3d011f022e756.tar.gz | |
[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: Ville Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/fib6_rules.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c index bf9bba8..22a2fdb 100644 --- a/net/ipv6/fib6_rules.c +++ b/net/ipv6/fib6_rules.c @@ -63,7 +63,11 @@ struct dst_entry *fib6_rule_lookup(struct flowi *fl, int flags, if (arg.rule) fib_rule_put(arg.rule); - return (struct dst_entry *) arg.result; + if (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, |
