serial: max310x: pass return value of spi_register_driver
spi_register_driver() may fail, so let's pass its return value upstream. Signed-off-by:Kangjie Lu <kjlu@umn.edu> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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spi_register_driver() may fail, so let's pass its return value upstream. Signed-off-by:Kangjie Lu <kjlu@umn.edu> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>