[PATCH] arch: powerpc: platforms: 85xx: Add missing of_node_put in sgy_cts1000.c

From: Liang He
Date: Wed Jun 15 2022 - 08:08:45 EST


Signed-off-by: Liang He <windhl@xxxxxxx>
---
arch/powerpc/platforms/85xx/sgy_cts1000.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/arch/powerpc/platforms/85xx/sgy_cts1000.c b/arch/powerpc/platforms/85xx/sgy_cts1000.c
index 98ae64075193..2a45b30852b2 100644
--- a/arch/powerpc/platforms/85xx/sgy_cts1000.c
+++ b/arch/powerpc/platforms/85xx/sgy_cts1000.c
@@ -85,17 +85,24 @@ static int gpio_halt_probe(struct platform_device *pdev)
/* Technically we could just read the first one, but punish
* DT writers for invalid form. */
if (of_gpio_count(halt_node) != 1)
+ {
+ of_node_put(halt_node);
return -EINVAL;
+ }

/* Get the gpio number relative to the dynamic base. */
gpio = of_get_gpio_flags(halt_node, 0, &flags);
if (!gpio_is_valid(gpio))
+ {
+ of_node_put(halt_node);
return -EINVAL;
+ }

err = gpio_request(gpio, "gpio-halt");
if (err) {
printk(KERN_ERR "gpio-halt: error requesting GPIO %d.\n",
gpio);
+ of_node_put(halt_node);
halt_node = NULL;
return err;
}
@@ -112,6 +119,7 @@ static int gpio_halt_probe(struct platform_device *pdev)
printk(KERN_ERR "gpio-halt: error requesting IRQ %d for "
"GPIO %d.\n", irq, gpio);
gpio_free(gpio);
+ of_node_put(halt_node);
halt_node = NULL;
return err;
}
@@ -123,6 +131,8 @@ static int gpio_halt_probe(struct platform_device *pdev)
printk(KERN_INFO "gpio-halt: registered GPIO %d (%d trigger, %d"
" irq).\n", gpio, trigger, irq);

+ of_node_put(halt_node);
+
return 0;
}

--
2.25.1