iio: dac: ad5446: Don't set error code to voltage_uv
authorAxel Lin <axel.lin@ingics.com>
Tue, 18 Dec 2012 03:33:00 +0000 (03:33 +0000)
committerJonathan Cameron <jic23@kernel.org>
Thu, 27 Dec 2012 11:00:27 +0000 (11:00 +0000)
commit13e57ee2056221296f1926d49d00edd224058bea
tree2504fdb8150915afb2775401cc1ae2d09e24651b
parent359570ad3fcfcc3a3031b3a5e01bfb616233eca0
iio: dac: ad5446: 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>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/dac/ad5446.c