diff options
Diffstat (limited to 'net/sched/cls_u32.c')
| -rw-r--r-- | net/sched/cls_u32.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index ac79a40a0392..4b28fd44576d 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -391,6 +391,7 @@ static int u32_init(struct tcf_proto *tp) RCU_INIT_POINTER(root_ht->next, tp_c->hlist); rcu_assign_pointer(tp_c->hlist, root_ht); + root_ht->refcnt++; rcu_assign_pointer(tp->root, root_ht); tp->data = tp_c; return 0; @@ -606,7 +607,7 @@ static int u32_destroy_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht, struct tc_u_hnode __rcu **hn; struct tc_u_hnode *phn; - WARN_ON(ht->refcnt); + WARN_ON(--ht->refcnt); u32_clear_hnode(tp, ht, extack); @@ -634,7 +635,7 @@ static void u32_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack) WARN_ON(root_ht == NULL); - if (root_ht && --root_ht->refcnt == 0) + if (root_ht && --root_ht->refcnt == 1) u32_destroy_hnode(tp, root_ht, extack); if (--tp_c->refcnt == 0) { @@ -679,7 +680,6 @@ static int u32_delete(struct tcf_proto *tp, void *arg, bool *last, } if (ht->refcnt == 1) { - ht->refcnt--; u32_destroy_hnode(tp, ht, extack); } else { NL_SET_ERR_MSG_MOD(extack, "Can not delete in-use filter"); |