iio: dac: ad5380: Don't set error code to st->vref
authorAxel Lin <axel.lin@ingics.com>
Fri, 14 Dec 2012 07:48:00 +0000 (07:48 +0000)
committerJonathan Cameron <jic23@kernel.org>
Thu, 27 Dec 2012 11:00:08 +0000 (11:00 +0000)
commit272cc9c8b5d0dffe9fb03e6c0ab3da2fde9c20e9
tree02c2eb8f4844da0f695bffda4ddead4d2aa98008
parent36ce0c1c3ab7ea54fa6c2b3a0803c7ab0adcefbf
iio: dac: ad5380: Don't set error code to st->vref

regulator_get_voltage() may return negative error code.
Add error checking to avoid setting error code to st->vref_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/ad5380.c