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authorFlorian Westphal <fw@strlen.de>2017-02-07 15:00:16 +0100
committerSteffen Klassert <steffen.klassert@secunet.com>2017-02-09 10:22:18 +0100
commit3d7d25a68ea5153d9d0d01c8c83acf644eab9704 (patch)
tree1dfb7c8066af07676209f391f9efd51e5017c356
parent2b61997aa0c68ae033d066ac2d9905ada81b761a (diff)
xfrm: policy: remove garbage_collect callback
Just call xfrm_garbage_collect_deferred() directly. This gets rid of a write to afinfo in register/unregister and allows to constify afinfo later on. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
-rw-r--r--include/net/xfrm.h2
-rw-r--r--net/ipv4/xfrm4_policy.c2
-rw-r--r--net/ipv6/xfrm6_policy.c2
-rw-r--r--net/xfrm/xfrm_policy.c6
4 files changed, 5 insertions, 7 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 39037b1cce7a..a22368edd105 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -282,7 +282,6 @@ struct xfrm_dst;
struct xfrm_policy_afinfo {
unsigned short family;
struct dst_ops *dst_ops;
- void (*garbage_collect)(struct net *net);
struct dst_entry *(*dst_lookup)(struct net *net,
int tos, int oif,
const xfrm_address_t *saddr,
@@ -1169,6 +1168,7 @@ static inline void xfrm_sk_free_policy(struct sock *sk)
}
void xfrm_garbage_collect(struct net *net);
+void xfrm_garbage_collect_deferred(struct net *net);
#else
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 6a7ff6957535..77ca91d7b79c 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -219,7 +219,7 @@ static inline int xfrm4_garbage_collect(struct dst_ops *ops)
{
struct net *net = container_of(ops, struct net, xfrm.xfrm4_dst_ops);
- xfrm4_policy_afinfo.garbage_collect(net);
+ xfrm_garbage_collect_deferred(net);
return (dst_entries_get_slow(ops) > ops->gc_thresh * 2);
}
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index e0f71c01d728..c273f22b12af 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -220,7 +220,7 @@ static inline int xfrm6_garbage_collect(struct dst_ops *ops)
{
struct net *net = container_of(ops, struct net, xfrm.xfrm6_dst_ops);
- xfrm6_policy_afinfo.garbage_collect(net);
+ xfrm_garbage_collect_deferred(net);
return dst_entries_get_fast(ops) > ops->gc_thresh * 2;
}
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 794148f76ae2..80695a157b6e 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2733,10 +2733,11 @@ void xfrm_garbage_collect(struct net *net)
}
EXPORT_SYMBOL(xfrm_garbage_collect);
-static void xfrm_garbage_collect_deferred(struct net *net)
+void xfrm_garbage_collect_deferred(struct net *net)
{
flow_cache_flush_deferred(net);
}
+EXPORT_SYMBOL(xfrm_garbage_collect_deferred);
static void xfrm_init_pmtu(struct dst_entry *dst)
{
@@ -2873,8 +2874,6 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
dst_ops->link_failure = xfrm_link_failure;
if (likely(dst_ops->neigh_lookup == NULL))
dst_ops->neigh_lookup = xfrm_neigh_lookup;
- if (likely(afinfo->garbage_collect == NULL))
- afinfo->garbage_collect = xfrm_garbage_collect_deferred;
rcu_assign_pointer(xfrm_policy_afinfo[afinfo->family], afinfo);
}
spin_unlock(&xfrm_policy_afinfo_lock);
@@ -2901,7 +2900,6 @@ void xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo)
dst_ops->check = NULL;
dst_ops->negative_advice = NULL;
dst_ops->link_failure = NULL;
- afinfo->garbage_collect = NULL;
}
EXPORT_SYMBOL(xfrm_policy_unregister_afinfo);