From 80e8921b2b72c300ca56a01729004d30bedb82cd Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Sat, 4 Dec 2021 20:21:58 -0800 Subject: net: add net device refcount tracker to struct netdev_rx_queue This helps debugging net device refcount leaks. Signed-off-by: Eric Dumazet Signed-off-by: Jakub Kicinski --- net/core/net-sysfs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/core/net-sysfs.c') diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index affe34d71d31..27a7ac2e516f 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -1004,7 +1004,7 @@ static void rx_queue_release(struct kobject *kobj) #endif memset(kobj, 0, sizeof(*kobj)); - dev_put(queue->dev); + dev_put_track(queue->dev, &queue->dev_tracker); } static const void *rx_queue_namespace(struct kobject *kobj) @@ -1044,7 +1044,7 @@ static int rx_queue_add_kobject(struct net_device *dev, int index) /* Kobject_put later will trigger rx_queue_release call which * decreases dev refcount: Take that reference here */ - dev_hold(queue->dev); + dev_hold_track(queue->dev, &queue->dev_tracker, GFP_KERNEL); kobj->kset = dev->queues_kset; error = kobject_init_and_add(kobj, &rx_queue_ktype, NULL, -- cgit 1.4.1