On Mon, 2022-04-25 at 15:49 +0200, Oliver Neukum wrote:
>
>
> On 25.04.22 15:23, Bastien Nocera wrote:
> > struct usb_memory {
> > @@ -237,6 +238,9 @@ static int usbdev_mmap(struct file *file,
> > struct vm_area_struct *vma)
> > dma_addr_t dma_handle;
> > int ret;
> >
> > + if (!connected(ps) || ps->revoked)
> > + return -ENODEV;
> > +
> This lacks locking.
I'll look into straightening out the locking, thanks.
