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>

diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index bbb791bd7617d6db99e064713ea95c527a83bfbf..a13709ee4e5d933bf4514df16296d66c7700ef17 100644 (file)
--- a/drivers/usb/host/isp1760-if.c
+++ b/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) {