[PATCH v2] powerpc/85xx: Fix reference leak in xes_mpc85xx_setup_arch

[Miaoqian Lin]

of_find_node_by_path() returns remote device nodepointer with
refcount incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: 3038acf9091f ("powerpc/85xx: Add platform support for X-ES MPC85xx boards")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
changes in v2:
- update Fixes tag.
v1 Link: https://lore.kernel.org/all/20220603120907.19999-1-linmq006@xxxxxxxxx
---
 arch/powerpc/platforms/85xx/xes_mpc85xx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
index 5836e4ecb7a0..93f67b430714 100644
--- a/arch/powerpc/platforms/85xx/xes_mpc85xx.c
+++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
@@ -130,6 +130,8 @@ static void __init xes_mpc85xx_setup_arch(void)
 	mpc85xx_smp_init();
 
 	fsl_pci_assign_primary();
+
+	of_node_put(root);
 }
 
 machine_arch_initcall(xes_mpc8572, mpc85xx_common_publish_devices);
-- 
2.25.1