diff options
| -rw-r--r-- | net/sched/act_mirred.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index 4f912c0e225b..eb48306033d9 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -218,10 +218,12 @@ static int mirred_device_event(struct notifier_block *unused, if (event == NETDEV_UNREGISTER) list_for_each_entry(m, &mirred_list, tcfm_list) { + spin_lock_bh(&m->tcf_lock); if (m->tcfm_dev == dev) { dev_put(dev); m->tcfm_dev = NULL; } + spin_unlock_bh(&m->tcf_lock); } return NOTIFY_DONE; |