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d9d1232b48
Make sure to set the tty class-device driver data before registering the tty to avoid having a racing open() dereference a NULL pointer. Fixes: 91ca10d6fa07 ("misc: bcm-vk: add ttyVK support") Cc: stable@vger.kernel.org # 5.12 Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20210917115736.5816-1-johan@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>