[PATCH v2] irqchip/irq-bcm7120-l2: add put_device() after of_find_device_by_node()

[cgel.zte at gmail.com]

From: Ye Guojin <ye.guojin at zte.com.cn>

This was found by coccicheck:
./drivers/irqchip/irq-bcm7120-l2.c,328,1-7,ERROR  missing put_device;
call of_find_device_by_node on line 234, but without a corresponding
object release within this function.
./drivers/irqchip/irq-bcm7120-l2.c,341,1-7,ERROR  missing put_device;
call of_find_device_by_node on line 234, but without a corresponding
object release within this function.

Reported-by: Zeal Robot <zealci at zte.com.cn>
Signed-off-by: Ye Guojin <ye.guojin at zte.com.cn>
---
v2:
- Restore the code at line 329.
- Do put_device() when we stop making use of the platform_device, which
is at line 241.
---
 drivers/irqchip/irq-bcm7120-l2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c
index d80e67a6aad2..bb6609cebdbc 100644
--- a/drivers/irqchip/irq-bcm7120-l2.c
+++ b/drivers/irqchip/irq-bcm7120-l2.c
@@ -238,6 +238,7 @@ static int __init bcm7120_l2_intc_probe(struct device_node *dn,
 	}
 
 	data->num_parent_irqs = platform_irq_count(pdev);
+	put_device(&pdev->dev);
 	if (data->num_parent_irqs <= 0) {
 		pr_err("invalid number of parent interrupts\n");
 		ret = -ENOMEM;
-- 
2.25.1