Johan Hovold c9d934053d USB: serial: report unsupported break signalling ...

Instead of returning success when a driver does not support break
signalling, return an error to let user space know and to avoid waiting
when break is not supported.

Tested-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Johan Hovold <johan@kernel.org>

2023-06-07 17:00:24 +02:00

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