Re: [PATCH] USB: xhci: dbc: fix tty registration race

[Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>]

On 28.9.2021 15.04, Johan Hovold wrote:
> Make sure to allocate resources before registering the tty device to
> avoid having a racing open() and write() fail to enable rx or
> dereference a NULL pointer when accessing the uninitialised fifo.
> 
> Fixes: dfba2174dc42 ("usb: xhci: Add DbC support in xHCI driver")
> Cc: stable@xxxxxxxxxxxxxxx      # 4.16
> Cc: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>

Thanks, adding to queue

-Mathias