usb: gadget: s3c-hsudc: use release_mem_region instead of release_resource

As the memory region is requested through request_mem_region
use the correct paired method to release it in the error path
and don't go "beneath the API".
Reported-by: NRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/gadget/s3c-hsudc.c

@@ -1376,9 +1376,7 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev)
 	iounmap(hsudc->regs);
 
 err_remap:
-	release_resource(hsudc->mem_rsrc);
-	kfree(hsudc->mem_rsrc);
-
+	release_mem_region(res->start, resource_size(res));
 err_res:
 	if (hsudc->transceiver)
 		otg_put_transceiver(hsudc->transceiver);