Signed-off-by: Liang He <win...@126.com>
---
 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

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