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

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@vger.kernel.org # 4.16 Cc: Lu Baolu baolu.lu@linux.intel.com Signed-off-by: Johan Hovold johan@kernel.org

Thanks, adding to queue

-Mathias