From 5b958a7eef9e116c7be516924f27e5c62a9c6914 Mon Sep 17 00:00:00 2001
From: Gavin Shan <shangw@linux.vnet.ibm.com>
Date: Wed, 30 May 2012 17:07:29 +0000
Subject: powerpc/numa: Fix OF node refcounting bug

The form affinity for NUMA is set to 1 if the firmware supports
OPAL. Otherwise, we have to retrieve that from OF node "/chosen".
For the latter case, OF node "/chosen" reference count was never
decreased.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/numa.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/powerpc/mm')

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 6e8f677f5646..7c28589d45bd 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -340,6 +340,8 @@ static int __init find_min_common_depth(void)
 				dbg("Using form 1 affinity\n");
 				form1_affinity = 1;
 			}
+
+			of_node_put(chosen);
 		}
 	}
 
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