iio: dac: ad5686: Don't set error code to voltage_uv
authorAxel Lin <axel.lin@ingics.com>
Fri, 14 Dec 2012 12:08:00 +0000 (12:08 +0000)
committerJonathan Cameron <jic23@kernel.org>
Thu, 27 Dec 2012 11:00:22 +0000 (11:00 +0000)
commit359570ad3fcfcc3a3031b3a5e01bfb616233eca0
tree3a0f820aa214f71b875f6583db356fad15011250
parent8434e7856551015650f62afa48e8f9e9b4bf80f2
iio: dac: ad5686: 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/ad5686.c