Input: twl6040-vibra - add missing of_node_put

We should drop reference to twl6040_core_node device_node once we are done
using it.
Signed-off-by: Libo Chen <libo.chen@huawei.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/misc/twl6040-vibra.c

@@ -276,6 +276,7 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
 
 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
 	if (!info) {
+		of_node_put(twl6040_core_node);
 		dev_err(&pdev->dev, "couldn't allocate memory\n");
 		return -ENOMEM;
 	}
@@ -295,6 +296,8 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
 	of_property_read_u32(twl6040_core_node, "ti,vddvibl-uV", &vddvibl_uV);
 	of_property_read_u32(twl6040_core_node, "ti,vddvibr-uV", &vddvibr_uV);
 
+	of_node_put(twl6040_core_node);
+
 	if ((!info->vibldrv_res && !info->viblmotor_res) ||
 	    (!info->vibrdrv_res && !info->vibrmotor_res)) {
 		dev_err(info->dev, "invalid vibra driver/motor resistance\n");