iio: dac: ad5504: Don't set error code to voltage_uv
authorAxel Lin <axel.lin@ingics.com>
Fri, 14 Dec 2012 12:06:00 +0000 (12:06 +0000)
committerJonathan Cameron <jic23@kernel.org>
Thu, 27 Dec 2012 11:00:16 +0000 (11:00 +0000)
commit0ce2fdaa97c6a8d84e9fce3d920a45a493145623
treec151a236324c2644dd904164ddb12151479fefa7
parent7e2dcc69824288916b55f90cd6db4992a0d95374
iio: dac: ad5504: Don't set error code to voltage_uv

regulator_get_voltage() may return negative error code.
Add error checking to avoid setting error code to voltage_uv.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/dac/ad5504.c