usb: isp1760-if: fix memleak when platform_get_resource fail

When platform_get_resource fail, we should release_mem_region

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/isp1760-if.c

@@ -373,8 +373,10 @@ static int isp1760_plat_probe(struct platform_device *pdev)
 	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!irq_res) {
 		pr_warning("isp1760: IRQ resource not available\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto cleanup;
 	}
+
 	irqflags |= irq_res->flags & IRQF_TRIGGER_MASK;
 
 	if (priv) {