Re: [RFT PATCH] xhci: sideband: Fix race condition in sideband unregister

[Mathias Nyman]

On 10/28/25 15:56, Greg KH wrote:

> > @@ -474,16 +494,23 @@ xhci_sideband_unregister(struct xhci_sideband *sb)
> >   	xhci = sb->xhci;
> >   
> >   	mutex_lock(&sb->mutex);
> > +
> > +	vdev = sb->vdev;
> > +	if (!vdev)
> > +		return;
>
> Lock is still held :(

Oops, missed one

> I think you need to use guard() to make this more sane.

Clearly yes, I'll send a v2

> thanks,
>
> greg k-h

Thanks
Mathias