From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 14 Dec 2012 12:07:00 +0000 (+0000)
Subject: iio: dac: ad5624r_spi: Don't set error code to voltage_uv
X-Git-Tag: v3.8-rc4~24^2~20^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8434e7856551015650f62afa48e8f9e9b4bf80f2;p=pandora-kernel.git

iio: dac: ad5624r_spi: 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>
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