diff options
| -rw-r--r-- | include/net/pkt_cls.h | 6 | ||||
| -rw-r--r-- | net/sched/cls_u32.c | 10 |
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; } |