[PATCH] ARM: imx27: Fix refcount leak in mx27_suspend_enter

From: Miaoqian Lin
Date: Sun May 15 2022 - 23:52:56 EST


of_find_compatible_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: d54debc72f5f ("ARM: imx27: Retrieve the CCM base address from devicetree")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
arch/arm/mach-imx/pm-imx27.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c
index 237e8aa9fe83..179506196f8e 100644
--- a/arch/arm/mach-imx/pm-imx27.c
+++ b/arch/arm/mach-imx/pm-imx27.c
@@ -24,6 +24,7 @@ static int mx27_suspend_enter(suspend_state_t state)
np = of_find_compatible_node(NULL, NULL, "fsl,imx27-ccm");
ccm_base = of_iomap(np, 0);
BUG_ON(!ccm_base);
+ of_node_put(np);

switch (state) {
case PM_SUSPEND_MEM:
--
2.25.1