[PATCH] arm: mach-versatile: Fix refcount leak bug in versatile

From: Liang He
Date: Fri Jun 17 2022 - 09:46:17 EST


In versatile_dt_init(), 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@xxxxxxx>
---
arch/arm/mach-versatile/versatile.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-versatile/versatile.c b/arch/arm/mach-versatile/versatile.c
index 02ba68abe533..97da874b5d4b 100644
--- a/arch/arm/mach-versatile/versatile.c
+++ b/arch/arm/mach-versatile/versatile.c
@@ -164,6 +164,7 @@ static void __init versatile_dt_init(void)
np = of_find_compatible_node(NULL, NULL, "arm,core-module-versatile");
if (np)
versatile_sys_base = of_iomap(np, 0);
+ of_node_put(np);
WARN_ON(!versatile_sys_base);

versatile_dt_pci_init();
--
2.25.1