summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/net/act_api.h4
-rw-r--r--net/sched/act_mirred.c21
-rw-r--r--net/sched/cls_api.c13
3 files changed, 18 insertions, 20 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 4be8b0daedf0..b18c699681ca 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -101,8 +101,8 @@ struct tc_action_ops {
101 struct netlink_ext_ack *); 101 struct netlink_ext_ack *);
102 void (*stats_update)(struct tc_action *, u64, u32, u64, bool); 102 void (*stats_update)(struct tc_action *, u64, u32, u64, bool);
103 size_t (*get_fill_size)(const struct tc_action *act); 103 size_t (*get_fill_size)(const struct tc_action *act);
104 struct net_device *(*get_dev)(const struct tc_action *a); 104 struct net_device *(*get_dev)(const struct tc_action *a,
105 void (*put_dev)(struct net_device *dev); 105 tc_action_priv_destructor *destructor);
106 struct psample_group * 106 struct psample_group *
107 (*get_psample_group)(const struct tc_action *a, 107 (*get_psample_group)(const struct tc_action *a,
108 tc_action_priv_destructor *destructor); 108 tc_action_priv_destructor *destructor);
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 9d1bf508075a..9ce073a05414 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -408,25 +408,31 @@ static struct notifier_block mirred_device_notifier = {
408 .notifier_call = mirred_device_event, 408 .notifier_call = mirred_device_event,
409}; 409};
410 410
411static struct net_device *tcf_mirred_get_dev(const struct tc_action *a) 411static void tcf_mirred_dev_put(void *priv)
412{
413 struct net_device *dev = priv;
414
415 dev_put(dev);
416}
417
418static struct net_device *
419tcf_mirred_get_dev(const struct tc_action *a,
420 tc_action_priv_destructor *destructor)
412{ 421{
413 struct tcf_mirred *m = to_mirred(a); 422 struct tcf_mirred *m = to_mirred(a);
414 struct net_device *dev; 423 struct net_device *dev;
415 424
416 rcu_read_lock(); 425 rcu_read_lock();
417 dev = rcu_dereference(m->tcfm_dev); 426 dev = rcu_dereference(m->tcfm_dev);
418 if (dev) 427 if (dev) {
419 dev_hold(dev); 428 dev_hold(dev);
429 *destructor = tcf_mirred_dev_put;
430 }
420 rcu_read_unlock(); 431 rcu_read_unlock();
421 432
422 return dev; 433 return dev;
423} 434}
424 435
425static void tcf_mirred_put_dev(struct net_device *dev)
426{
427 dev_put(dev);
428}
429
430static size_t tcf_mirred_get_fill_size(const struct tc_action *act) 436static size_t tcf_mirred_get_fill_size(const struct tc_action *act)
431{ 437{
432 return nla_total_size(sizeof(struct tc_mirred)); 438 return nla_total_size(sizeof(struct tc_mirred));
@@ -446,7 +452,6 @@ static struct tc_action_ops act_mirred_ops = {
446 .get_fill_size = tcf_mirred_get_fill_size, 452 .get_fill_size = tcf_mirred_get_fill_size,
447 .size = sizeof(struct tcf_mirred), 453 .size = sizeof(struct tcf_mirred),
448 .get_dev = tcf_mirred_get_dev, 454 .get_dev = tcf_mirred_get_dev,
449 .put_dev = tcf_mirred_put_dev,
450}; 455};
451 456
452static __net_init int mirred_init_net(struct net *net) 457static __net_init int mirred_init_net(struct net *net)
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 60d44b14750a..32577c248968 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -3288,22 +3288,15 @@ void tc_cleanup_flow_action(struct flow_action *flow_action)
3288} 3288}
3289EXPORT_SYMBOL(tc_cleanup_flow_action); 3289EXPORT_SYMBOL(tc_cleanup_flow_action);
3290 3290
3291static void tcf_mirred_put_dev(void *priv)
3292{
3293 struct net_device *dev = priv;
3294
3295 dev_put(dev);
3296}
3297
3298static void tcf_mirred_get_dev(struct flow_action_entry *entry, 3291static void tcf_mirred_get_dev(struct flow_action_entry *entry,
3299 const struct tc_action *act) 3292 const struct tc_action *act)
3300{ 3293{
3301 entry->dev = tcf_mirred_dev(act); 3294#ifdef CONFIG_NET_CLS_ACT
3295 entry->dev = act->ops->get_dev(act, &entry->destructor);
3302 if (!entry->dev) 3296 if (!entry->dev)
3303 return; 3297 return;
3304 dev_hold(entry->dev);
3305 entry->destructor = tcf_mirred_put_dev;
3306 entry->destructor_priv = entry->dev; 3298 entry->destructor_priv = entry->dev;
3299#endif
3307} 3300}
3308 3301
3309static void tcf_tunnel_encap_put_tunnel(void *priv) 3302static void tcf_tunnel_encap_put_tunnel(void *priv)