[PATCH] powerpc: powernv: Fix refcount leak in opal

[Liang He]

In opal_imc_init_dev(), of_find_compatible_node() will return a
node pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.

Signed-off-by: Liang He <windhl at 126.com>
--- 

 arch/powerpc/platforms/powernv/opal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 55a8fbfdb5b2..d86cc48a10aa 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -952,6 +952,7 @@ static void __init opal_imc_init_dev(void)
 	np = of_find_compatible_node(NULL, NULL, IMC_DTB_COMPAT);
 	if (np)
 		of_platform_device_create(np, NULL, NULL);
+	of_node_put(np);
 }
 
 static int kopald(void *unused)
-- 
2.25.1