Re: [PATCH net v3] octeon_ep_vf: Resolve netdevice usage count issue

[Jakub Kicinski <kuba@kernel.org>]

On Wed, 16 Apr 2025 13:26:43 -0700 Jacob Keller wrote:
> > @@ -834,7 +833,6 @@ static void octep_vf_tx_timeout(struct net_device *netdev, unsigned int txqueue)
> >  {
> >  	struct octep_vf_device *oct = netdev_priv(netdev);
> >  
> > -	netdev_hold(netdev, NULL, GFP_ATOMIC);
> >  	schedule_work(&oct->tx_timeout_task);
> >  }  
> I guess the thought was that we need to hold because we scheduled a work
> item?

Looks like something I would have asked them to do :)
But it was probably merged before I could review next version ?

I mean, passing NULL for the tracker is... quite something.

> Presumably the driver would simply cancel_work_sync() on this timeout
> task before it attempts to release its own reference on the netdev, so
> this really doesn't protect anything.

It does, but before unregistering :/

Sathesh, schedule_work() returns a value. You should use it.