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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: 91ca10d6fa ("misc: bcm-vk: add ttyVK support")
Cc: [email protected] # 5.12
Signed-off-by: Johan Hovold <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>