diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/cls_api.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 478095d50f95..2c2aac4ac721 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -470,10 +470,9 @@ static void __tcf_chain_put(struct tcf_chain *chain, bool by_act, { struct tcf_block *block = chain->block; const struct tcf_proto_ops *tmplt_ops; - bool is_last, free_block = false; + bool free_block = false; unsigned int refcnt; void *tmplt_priv; - u32 chain_index; mutex_lock(&block->lock); if (explicitly_created) { @@ -492,23 +491,21 @@ static void __tcf_chain_put(struct tcf_chain *chain, bool by_act, * save these to temporary variables. */ refcnt = --chain->refcnt; - is_last = refcnt - chain->action_refcnt == 0; tmplt_ops = chain->tmplt_ops; tmplt_priv = chain->tmplt_priv; - chain_index = chain->index; - - if (refcnt == 0) - free_block = tcf_chain_detach(chain); - mutex_unlock(&block->lock); /* The last dropped non-action reference will trigger notification. */ - if (is_last && !by_act) { - tc_chain_notify_delete(tmplt_ops, tmplt_priv, chain_index, + if (refcnt - chain->action_refcnt == 0 && !by_act) { + tc_chain_notify_delete(tmplt_ops, tmplt_priv, chain->index, block, NULL, 0, 0, false); /* Last reference to chain, no need to lock. */ chain->flushing = false; } + if (refcnt == 0) + free_block = tcf_chain_detach(chain); + mutex_unlock(&block->lock); + if (refcnt == 0) { tc_chain_tmplt_del(tmplt_ops, tmplt_priv); tcf_chain_destroy(chain, free_block); |