diff options
Diffstat (limited to 'net/sched/cls_api.c')
| -rw-r--r-- | net/sched/cls_api.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 90536ebae02a..4efa4df8322f 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -127,6 +127,27 @@ static inline u32 tcf_auto_prio(struct tcf_proto *tp) return first; } +static bool tcf_proto_destroy(struct tcf_proto *tp, bool force) +{ + if (tp->ops->destroy(tp, force)) { + module_put(tp->ops->owner); + kfree_rcu(tp, rcu); + return true; + } + return false; +} + +void tcf_destroy_chain(struct tcf_proto __rcu **fl) +{ + struct tcf_proto *tp; + + while ((tp = rtnl_dereference(*fl)) != NULL) { + RCU_INIT_POINTER(*fl, tp->next); + tcf_proto_destroy(tp, true); + } +} +EXPORT_SYMBOL(tcf_destroy_chain); + /* Add/change/delete/get a filter node */ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n) |