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authorFlorian Westphal <fw@strlen.de>2017-07-17 13:57:24 +0200
committerDavid S. Miller <davem@davemloft.net>2017-07-18 11:13:41 -0700
commit86dc8ee0b2c524d47864ee1bdf2b36ea157405a8 (patch)
treea63bf4fc755b7ebb7edcbe309b29817591e2c84e /net/xfrm
parentaff669bc286eb3a459acb6e192ae7d2adc3967a3 (diff)
xfrm_policy: remove xfrm_policy_lookup
This removes the wrapper and renames the __xfrm_policy_lookup variant to get rid of another place that used flow cache objects. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_policy.c36
1 files changed, 4 insertions, 32 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9f724a688475..339bb3ac2797 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1175,7 +1175,7 @@ fail:
}
static struct xfrm_policy *
-__xfrm_policy_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir)
+xfrm_policy_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir)
{
#ifdef CONFIG_XFRM_SUB_POLICY
struct xfrm_policy *pol;
@@ -1187,26 +1187,6 @@ __xfrm_policy_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir
return xfrm_policy_lookup_bytype(net, XFRM_POLICY_TYPE_MAIN, fl, family, dir);
}
-static struct flow_cache_object *
-xfrm_policy_lookup(struct net *net, const struct flowi *fl, u16 family,
- u8 dir, struct flow_cache_object *old_obj, void *ctx)
-{
- struct xfrm_policy *pol;
-
- if (old_obj)
- xfrm_pol_put(container_of(old_obj, struct xfrm_policy, flo));
-
- pol = __xfrm_policy_lookup(net, fl, family, dir);
- if (IS_ERR_OR_NULL(pol))
- return ERR_CAST(pol);
-
- /* Resolver returns two references:
- * one for cache and one for caller of flow_cache_lookup() */
- xfrm_pol_hold(pol);
-
- return &pol->flo;
-}
-
static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir,
const struct flowi *fl, u16 family)
{
@@ -2028,7 +2008,7 @@ xfrm_bundle_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir,
/* Resolve policies to use if we couldn't get them from
* previous cache entry */
num_pols = 1;
- pols[0] = __xfrm_policy_lookup(net, fl, family, dir);
+ pols[0] = xfrm_policy_lookup(net, fl, family, dir);
err = xfrm_expand_policies(fl, family, pols,
&num_pols, &num_xfrms);
if (err < 0)
@@ -2398,16 +2378,8 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
}
}
- if (!pol) {
- struct flow_cache_object *flo;
-
- flo = xfrm_policy_lookup(net, &fl, family, dir, NULL, NULL);
-
- if (IS_ERR_OR_NULL(flo))
- pol = ERR_CAST(flo);
- else
- pol = container_of(flo, struct xfrm_policy, flo);
- }
+ if (!pol)
+ pol = xfrm_policy_lookup(net, &fl, family, dir);
if (IS_ERR(pol)) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINPOLERROR);