From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 14 Dec 2012 07:47:00 +0000 (+0000)
Subject: iio: adc: ad7266: Don't set error code to st->vref_uv
X-Git-Tag: v3.8-rc4~24^2~20^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36ce0c1c3ab7ea54fa6c2b3a0803c7ab0adcefbf;p=pandora-kernel.git

iio: adc: ad7266: Don't set error code to st->vref_uv

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>
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