From 2aaf0a198d7af53a946ad69976d3cc7e7673d13f Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Tue, 31 Jan 2017 09:43:55 -0800
Subject: [PATCH] powerpc/powermac: fix OF node refcount leak

We need to call of_node_put() for device nodes obtained with
of_find_node_by_name().

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
 arch/powerpc/platforms/powermac/pic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 5e0719b27294..666fceda5e48 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -604,6 +604,7 @@ static int pmacpic_find_viaint(void)
 	if (np == NULL)
 		goto not_found;
 	viaint = irq_of_parse_and_map(np, 0);
+	of_node_put(np);
 
 not_found:
 #endif /* CONFIG_ADB_PMU */