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| author | Ville Nuorvala <vnuorval@tcs.hut.fi> | 2006-10-16 22:10:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-10-18 19:55:27 -0700 |
| commit | 4251320fa2ef93207fbefeb2eda2d265b84fc116 (patch) | |
| tree | 7d322c9d541f24df4fedc38e964aa906226b52ad /net/ipv6/xfrm6_policy.c | |
| parent | 23c435f7ff884caded4a1391ba2b308d465423c0 (diff) | |
| download | op-kernel-dev-4251320fa2ef93207fbefeb2eda2d265b84fc116.zip op-kernel-dev-4251320fa2ef93207fbefeb2eda2d265b84fc116.tar.gz | |
[IPV6]: Make sure error handling is done when calling ip6_route_output().
As ip6_route_output() never returns NULL, error checking must be done by
looking at dst->error in stead of comparing dst against NULL.
Signed-off-by: Ville Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/xfrm6_policy.c')
| -rw-r--r-- | net/ipv6/xfrm6_policy.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 73cee2e..d400f8f 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -25,12 +25,14 @@ static struct dst_ops xfrm6_dst_ops; static struct xfrm_policy_afinfo xfrm6_policy_afinfo; -static int xfrm6_dst_lookup(struct xfrm_dst **dst, struct flowi *fl) +static int xfrm6_dst_lookup(struct xfrm_dst **xdst, struct flowi *fl) { - int err = 0; - *dst = (struct xfrm_dst*)ip6_route_output(NULL, fl); - if (!*dst) - err = -ENETUNREACH; + struct dst_entry *dst = ip6_route_output(NULL, fl); + int err = dst->error; + if (!err) + *xdst = (struct xfrm_dst *) dst; + else + dst_release(dst); return err; } |
