diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/drop_monitor.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index b266dc1660ed..1cf4988de591 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -252,9 +252,16 @@ static int net_dm_trace_on_set(struct netlink_ext_ack *extack) for_each_possible_cpu(cpu) { struct per_cpu_dm_data *data = &per_cpu(dm_cpu_data, cpu); + struct sk_buff *skb; INIT_WORK(&data->dm_alert_work, send_dm_alert); timer_setup(&data->send_timer, sched_send_work, 0); + /* Allocate a new per-CPU skb for the summary alert message and + * free the old one which might contain stale data from + * previous tracing. + */ + skb = reset_per_cpu_data(data); + consume_skb(skb); } rc = register_trace_kfree_skb(trace_kfree_skb_hit, NULL); @@ -475,10 +482,7 @@ static int __init init_net_drop_monitor(void) for_each_possible_cpu(cpu) { data = &per_cpu(dm_cpu_data, cpu); - INIT_WORK(&data->dm_alert_work, send_dm_alert); - timer_setup(&data->send_timer, sched_send_work, 0); spin_lock_init(&data->lock); - reset_per_cpu_data(data); } goto out; |