summary refs log tree commit diff
path: root/net
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2021-12-04 20:21:59 -0800
committerJakub Kicinski <kuba@kernel.org>2021-12-06 16:05:10 -0800
commit0b688f24b7d611db3a02f3d4ab562d049c78a17d (patch)
treede1f43261f7171c00545a19487f363e4b8cff6df /net
parent80e8921b2b72c300ca56a01729004d30bedb82cd (diff)
downloadlinux-0b688f24b7d611db3a02f3d4ab562d049c78a17d.tar.gz
net: add net device refcount tracker to struct netdev_queue
This will help debugging pesky netdev reference leaks.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/core/net-sysfs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 27a7ac2e516f..3b2cdbbdc858 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1607,7 +1607,7 @@ static void netdev_queue_release(struct kobject *kobj)
 	struct netdev_queue *queue = to_netdev_queue(kobj);
 
 	memset(kobj, 0, sizeof(*kobj));
-	dev_put(queue->dev);
+	dev_put_track(queue->dev, &queue->dev_tracker);
 }
 
 static const void *netdev_queue_namespace(struct kobject *kobj)
@@ -1647,7 +1647,7 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index)
 	/* Kobject_put later will trigger netdev_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, &netdev_queue_ktype, NULL,