delete unused ret

1 files changed, 2 insertions, 14 deletions

diff --git a/class/hid/usbh_hid.c b/class/hid/usbh_hid.c
index 6af1fc6d..9323688a 100644
--- a/class/hid/usbh_hid.c
+++ b/class/hid/usbh_hid.c
@@ -90,7 +90,6 @@ static int usbh_hid_get_report_descriptor(struct usbh_hid *hid_class, uint8_t *b
 int usbh_hid_set_idle(struct usbh_hid *hid_class, uint8_t report_id, uint8_t duration)
 {
     struct usb_setup_packet *setup = hid_class->hport->setup;
-    int ret;
 
     setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
     setup->bRequest = HID_REQUEST_SET_IDLE;
@@ -98,18 +97,12 @@ int usbh_hid_set_idle(struct usbh_hid *hid_class, uint8_t report_id, uint8_t dur
     setup->wIndex = (duration << 8) | hid_class->intf;
     setup->wLength = 0;
 
-    ret = usbh_control_transfer(hid_class->hport->ep0, setup, NULL);
-    if (ret < 0) {
-        return ret;
-    }
-
-    return 0;
+    return usbh_control_transfer(hid_class->hport->ep0, setup, NULL);
 }
 
 int usbh_hid_get_idle(struct usbh_hid *hid_class, uint8_t *buffer)
 {
     struct usb_setup_packet *setup = hid_class->hport->setup;
-    int ret;
 
     setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
     setup->bRequest = HID_REQUEST_GET_IDLE;
@@ -117,12 +110,7 @@ int usbh_hid_get_idle(struct usbh_hid *hid_class, uint8_t *buffer)
     setup->wIndex = hid_class->intf;
     setup->wLength = 1;
 
-    ret = usbh_control_transfer(hid_class->hport->ep0, setup, buffer);
-    if (ret < 0) {
-        return ret;
-    }
-
-    return 0;
+    return usbh_control_transfer(hid_class->hport->ep0, setup, buffer);
 }
 
 int usbh_hid_connect(struct usbh_hubport *hport, uint8_t intf)