From 797624e18b96131d3c409d966dc07b52310a8f9b Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Tue, 1 Nov 2016 16:26:03 +0100
Subject: [PATCH] powerpc/pci/rpadlpar: Fix device reference leaks

commit 99e5cde5eae78bef95bfe7c16ccda87fb070149b upstream.

Make sure to drop any device reference taken by vio_find_node() when
adding and removing virtual I/O slots.

Fixes: 5eeb8c63a38f ("[PATCH] PCI Hotplug: rpaphp: Move VIO registration")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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