From 577bd8ba2b844aa11aa694a43943a57a09a973d1 Mon Sep 17 00:00:00 2001
From: Grazvydas Ignotas <notasas@gmail.com>
Date: Mon, 23 May 2016 00:44:47 +0300
Subject: [PATCH] regulator: core: don't crash if set_voltage fails

it was calling list_voltage() with uninitialized selector
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