USB: serial: mos7840: fix control-message error handling

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Make sure to detect short transfers when reading a device register.

The modem-status handling had sufficient error checks in place, but move
handling of short transfers into the register accessor function itself
for consistency.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>

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Johan Hovold 2017-01-12 14:56:18 +01:00

parent 0d130367ab

commit cd8db057e9

1 changed files with 15 additions and 4 deletions

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drivers/usb/serial/mos7840.c

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