Commit 5fa5ae60 authored by Eric Dumazet's avatar Eric Dumazet Committed by Jakub Kicinski
Browse files

netpoll: add net device refcount tracker to struct netpoll 



Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 42120a86

drivers/net/netconsole.c

+1 −1
Original line number Diff line number Diff line
@@ -721,7 +721,7 @@ static int netconsole_netdev_event(struct notifier_block *this, 
				__netpoll_cleanup(&nt->np);



				spin_lock_irqsave(&target_list_lock, flags);

				dev_put(nt->np.dev);

				dev_put_track(nt->np.dev, &nt->np.dev_tracker);

				nt->np.dev = NULL;

				nt->enabled = false;

				stopped = true;

include/linux/netpoll.h

+1 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ union inet_addr { 


struct netpoll {

	struct net_device *dev;

	netdevice_tracker dev_tracker;

	char dev_name[IFNAMSIZ];

	const char *name;

net/core/netpoll.c

+2 −2
Original line number Diff line number Diff line
@@ -776,7 +776,7 @@ int netpoll_setup(struct netpoll *np) 
	err = __netpoll_setup(np, ndev);

	if (err)

		goto put;



	netdev_tracker_alloc(ndev, &np->dev_tracker, GFP_KERNEL);

	rtnl_unlock();

	return 0;
@@ -853,7 +853,7 @@ void netpoll_cleanup(struct netpoll *np) 
	if (!np->dev)

		goto out;

	__netpoll_cleanup(np);

	dev_put(np->dev);

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

	np->dev = NULL;

out:

	rtnl_unlock();