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-rw-r--r--include/net/pkt_cls.h6
-rw-r--r--net/sched/cls_u32.c10
2 files changed, 7 insertions, 9 deletions
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 73f9532ee581..ef44ad9a6426 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -20,11 +20,7 @@ int unregister_tcf_proto_ops(struct tcf_proto_ops *ops);
static inline unsigned long
__cls_set_class(unsigned long *clp, unsigned long cl)
{
- unsigned long old_cl;
-
- old_cl = *clp;
- *clp = cl;
- return old_cl;
+ return xchg(clp, cl);
}
static inline unsigned long
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 4be3ebf46d67..0472909bb014 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -358,7 +358,6 @@ static int u32_destroy_key(struct tcf_proto *tp,
struct tc_u_knode *n,
bool free_pf)
{
- tcf_unbind_filter(tp, &n->res);
tcf_exts_destroy(&n->exts);
if (n->ht_down)
n->ht_down->refcnt--;
@@ -416,6 +415,7 @@ static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key)
if (pkp == key) {
RCU_INIT_POINTER(*kp, key->next);
+ tcf_unbind_filter(tp, &key->res);
call_rcu(&key->rcu, u32_delete_key_freepf_rcu);
return 0;
}
@@ -425,7 +425,7 @@ static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key)
return 0;
}
-static void u32_clear_hnode(struct tc_u_hnode *ht)
+static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht)
{
struct tc_u_knode *n;
unsigned int h;
@@ -434,6 +434,7 @@ static void u32_clear_hnode(struct tc_u_hnode *ht)
while ((n = rtnl_dereference(ht->ht[h])) != NULL) {
RCU_INIT_POINTER(ht->ht[h],
rtnl_dereference(n->next));
+ tcf_unbind_filter(tp, &n->res);
call_rcu(&n->rcu, u32_delete_key_freepf_rcu);
}
}
@@ -447,7 +448,7 @@ static int u32_destroy_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht)
WARN_ON(ht->refcnt);
- u32_clear_hnode(ht);
+ u32_clear_hnode(tp, ht);
hn = &tp_c->hlist;
for (phn = rtnl_dereference(*hn);
@@ -482,7 +483,7 @@ static void u32_destroy(struct tcf_proto *tp)
ht;
ht = rtnl_dereference(ht->next)) {
ht->refcnt--;
- u32_clear_hnode(ht);
+ u32_clear_hnode(tp, ht);
}
while ((ht = rtnl_dereference(tp_c->hlist)) != NULL) {
@@ -731,6 +732,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
}
u32_replace_knode(tp, tp_c, new);
+ tcf_unbind_filter(tp, &n->res);
call_rcu(&n->rcu, u32_delete_key_rcu);
return 0;
}