[PATCH -next] MIPS: Loongson64: Add missing of_node_put() in ls2k_reset_init()

From: Yang Yingliang
Date: Tue Jan 04 2022 - 08:28:59 EST


This node pointer is returned by of_find_compatible_node() with
refcount incremented in ls2k_reset_init(). Calling of_node_put()
to aovid the refcount leak.

Fixes: 7eb7819a2e12 ("MIPS: Loongson64: Add Loongson-2K1000 reset platform driver")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/platform/mips/ls2k-reset.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/mips/ls2k-reset.c b/drivers/platform/mips/ls2k-reset.c
index b70e7b8a092c..8f42d5d16480 100644
--- a/drivers/platform/mips/ls2k-reset.c
+++ b/drivers/platform/mips/ls2k-reset.c
@@ -38,6 +38,7 @@ static int ls2k_reset_init(void)
}

base = of_iomap(np, 0);
+ of_node_put(np);
if (!base) {
pr_info("Failed to map PM register base address\n");
return -ENOMEM;
@@ -46,7 +47,6 @@ static int ls2k_reset_init(void)
_machine_restart = ls2k_restart;
pm_power_off = ls2k_poweroff;

- of_node_put(np);
return 0;
}

--
2.25.1