usb: gadget: dwc2: fix memory leak in gadget_init()

Freed allocated request for ep0 to prevent memory leak in case when
dwc2_driver_probe() failed.

Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index fa3b6f3..76e4f2e 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -4735,9 +4735,11 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
        }
 
        ret = usb_add_gadget_udc(dev, &hsotg->gadget);
-       if (ret)
+       if (ret) {
+               dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep,
+                                          hsotg->ctrl_req);
                return ret;
-
+       }
        dwc2_hsotg_dump(hsotg);
 
        return 0;
@@ -4751,6 +4753,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
 int dwc2_hsotg_remove(struct dwc2_hsotg *hsotg)
 {
        usb_del_gadget_udc(&hsotg->gadget);
+       dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep, hsotg->ctrl_req);
 
        return 0;
 }