diff options
Diffstat (limited to 'net/xfrm/xfrm_policy.c')
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 2e10d46c0e8..a83b5e1349e 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1469,11 +1469,13 @@ restart: goto dropdst; } + err = -ENOENT; + if (!policy) { /* To accelerate a bit... */ if ((dst_orig->flags & DST_NOXFRM) || !xfrm_policy_count[XFRM_POLICY_OUT]) - return 0; + goto nopol; policy = flow_cache_lookup(fl, dst_orig->ops->family, dir, xfrm_policy_lookup); @@ -1483,14 +1485,18 @@ restart: } if (!policy) - return 0; + goto nopol; family = dst_orig->ops->family; - policy->curlft.use_time = get_seconds(); pols[0] = policy; npols ++; xfrm_nr += pols[0]->xfrm_nr; + if ((flags & XFRM_LOOKUP_ICMP) && !(policy->flags & XFRM_POLICY_ICMP)) + goto error; + + policy->curlft.use_time = get_seconds(); + switch (policy->action) { default: case XFRM_POLICY_BLOCK: @@ -1649,6 +1655,11 @@ dropdst: dst_release(dst_orig); *dst_p = NULL; return err; + +nopol: + if (flags & XFRM_LOOKUP_ICMP) + goto dropdst; + return 0; } EXPORT_SYMBOL(__xfrm_lookup); |