Commit 4fc003fe authored by Eric Dumazet's avatar Eric Dumazet Committed by Jakub Kicinski
Browse files

net: switchdev: add net device refcount tracker 



Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent f12bf6f3

net/switchdev/switchdev.c

+3 −2
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ typedef void switchdev_deferred_func_t(struct net_device *dev, 
struct switchdev_deferred_item {

	struct list_head list;

	struct net_device *dev;

	netdevice_tracker dev_tracker;

	switchdev_deferred_func_t *func;

	unsigned long data[];

};
@@ -63,7 +64,7 @@ void switchdev_deferred_process(void) 


	while ((dfitem = switchdev_deferred_dequeue())) {

		dfitem->func(dfitem->dev, dfitem->data);

		dev_put(dfitem->dev);

		dev_put_track(dfitem->dev, &dfitem->dev_tracker);

		kfree(dfitem);

	}

}
@@ -90,7 +91,7 @@ static int switchdev_deferred_enqueue(struct net_device *dev, 
	dfitem->dev = dev;

	dfitem->func = func;

	memcpy(dfitem->data, data, data_len);

	dev_hold(dev);

	dev_hold_track(dev, &dfitem->dev_tracker, GFP_ATOMIC);

	spin_lock_bh(&deferred_lock);

	list_add_tail(&dfitem->list, &deferred);

	spin_unlock_bh(&deferred_lock);