usb: dwc3: ep0: simplify error handling on dwc3_ep0_inspect_setup

There's no need for returning early. Instead,
we can call dwc3_ep0_stall_and_restart()
conditionally.

Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index e31bcd6..83fcf39 100644 (file)
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -641,11 +641,11 @@ static void dwc3_ep0_inspect_setup(struct dwc3 *dwc,
                const struct dwc3_event_depevt *event)
 {
        struct usb_ctrlrequest *ctrl = dwc->ctrl_req;
-       int ret;
+       int ret = -EINVAL;
        u32 len;
 
        if (!dwc->gadget_driver)
-               goto err;
+               goto out;
 
        len = le16_to_cpu(ctrl->wLength);
        if (!len) {
@@ -666,11 +666,9 @@ static void dwc3_ep0_inspect_setup(struct dwc3 *dwc,
        if (ret == USB_GADGET_DELAYED_STATUS)
                dwc->delayed_status = true;
 
-       if (ret >= 0)
-               return;
-
-err:
-       dwc3_ep0_stall_and_restart(dwc);
+out:
+       if (ret < 0)
+               dwc3_ep0_stall_and_restart(dwc);
 }
 
 static void dwc3_ep0_complete_data(struct dwc3 *dwc,