diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index a3dcd366c00c..88db7488b3a2 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -8,84 +8,6 @@
 #include "../include/recv_osdep.h"
 #include "../include/rtl8188e_hal.h"
 
-static int usbctrl_vendorreq(struct intf_hdl *intf, u16 value, void *data, u16 len, u8 requesttype)
-{
-	struct adapter *adapt = intf->padapter;
-	struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
-	struct usb_device *udev = dvobjpriv->pusbdev;
-	int vendorreq_times = 0;
-	unsigned int pipe;
-	int status = 0;
-	u8 *io_buf;
-
-	if ((adapt->bSurpriseRemoved) || (adapt->pwrctrlpriv.pnp_bstop_trx)) {
-		status = -EPERM;
-		goto exit;
-	}
-
-	mutex_lock(&dvobjpriv->usb_vendor_req_mutex);
-
-	/*  Acquire IO memory for vendorreq */
-	io_buf = dvobjpriv->usb_vendor_req_buf;
-
-	if (requesttype == REALTEK_USB_VENQT_READ)
-		pipe = usb_rcvctrlpipe(udev, 0);
-	else
-		pipe = usb_sndctrlpipe(udev, 0);
-
-	while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) {
-		if (requesttype == REALTEK_USB_VENQT_READ)
-			memset(io_buf, 0, len);
-		else
-			memcpy(io_buf, data, len);
-
-		status = usb_control_msg(udev, pipe, REALTEK_USB_VENQT_CMD_REQ,
-					 requesttype, value, REALTEK_USB_VENQT_CMD_IDX,
-					 io_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);
-
-		if (status == len) {
-			/*  success */
-			rtw_reset_continual_urb_error(dvobjpriv);
-			if (requesttype == REALTEK_USB_VENQT_READ)
-				memcpy(data, io_buf,  len);
-		} else {
-			/* error cases */
-			DBG_88E("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n",
-				value, (requesttype == REALTEK_USB_VENQT_READ) ? "read" : "write",
-				len, status, *(u32 *)data, vendorreq_times);
-
-			if (status < 0) {
-				if (status == -ESHUTDOWN || status == -ENODEV) {
-					adapt->bSurpriseRemoved = true;
-				} else {
-					struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
-					haldata->srestpriv.wifi_error_status = USB_VEN_REQ_CMD_FAIL;
-				}
-			} else {
-				/* status != len && status >= 0 */
-				if (status > 0) {
-					if (requesttype == REALTEK_USB_VENQT_READ)
-						memcpy(data, io_buf,  len);
-				}
-			}
-
-			if (rtw_inc_and_chk_continual_urb_error(dvobjpriv)) {
-				adapt->bSurpriseRemoved = true;
-				break;
-			}
-
-		}
-
-		/*  firmware download is checksumed, don't retry */
-		if ((value >= FW_8188E_START_ADDRESS && value <= FW_8188E_END_ADDRESS) || status == len)
-			break;
-	}
-
-	mutex_unlock(&dvobjpriv->usb_vendor_req_mutex);
-exit:
-	return status;
-}
-
 static int usb_read(struct intf_hdl *intf, u16 value, void *data, u8 size)
 {
 	struct adapter *adapt = intf->padapter;
@@ -96,9 +18,12 @@ static int usb_read(struct intf_hdl *intf, u16 value, void *data, u8 size)
 
 	mutex_lock(&dvobjpriv->usb_vendor_req_mutex);
 
-	if (adapt->bSurpriseRemoved || adapt->pwrctrlpriv.pnp_bstop_trx)
-		return -EPERM;
+	if (adapt->bSurpriseRemoved || adapt->pwrctrlpriv.pnp_bstop_trx) {
+		status = -EPERM;
+		goto mutex_unlock;
+	}
 
+	/*  Acquire IO memory for vendorreq */
 	io_buf = dvobjpriv->usb_vendor_req_buf;
 
 	status = usb_control_msg_recv(udev, 0, REALTEK_USB_VENQT_CMD_REQ,
@@ -139,6 +64,59 @@ static int usb_read(struct intf_hdl *intf, u16 value, void *data, u8 size)
 	return status;
 }
 
+static int usb_write(struct intf_hdl *intf, u16 value, void *data, u8 size)
+{
+	struct adapter *adapt = intf->padapter;
+	struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
+	struct usb_device *udev = dvobjpriv->pusbdev;
+	int status;
+	u8 *io_buf; /* Pointer to I/O buffer */
+
+	mutex_lock(&dvobjpriv->usb_vendor_req_mutex);
+
+	if (adapt->bSurpriseRemoved || adapt->pwrctrlpriv.pnp_bstop_trx)
+		return -EPERM;
+
+	io_buf = dvobjpriv->usb_vendor_req_buf;
+
+	memcpy(io_buf, data, size);
+	status = usb_control_msg_send(udev, 0, REALTEK_USB_VENQT_CMD_REQ,
+				      REALTEK_USB_VENQT_WRITE, value,
+				      REALTEK_USB_VENQT_CMD_IDX, io_buf,
+				      size, RTW_USB_CONTROL_MSG_TIMEOUT,
+				      GFP_KERNEL);
+
+	if (status == -ESHUTDOWN ||
+	    status == -ENODEV ||
+	    status == -ENOENT) {
+		/*
+		 * device or controller has been disabled due to
+		 * some problem that could not be worked around,
+		 * device or bus doesn’t exist, endpoint does not
+		 * exist or is not enabled.
+		 */
+		adapt->bSurpriseRemoved = true;
+		goto mutex_unlock;
+	}
+
+	if (status < 0) {
+		GET_HAL_DATA(adapt)->srestpriv.wifi_error_status =
+			USB_VEN_REQ_CMD_FAIL;
+
+		if (rtw_inc_and_chk_continual_urb_error(dvobjpriv))
+			adapt->bSurpriseRemoved = true;
+
+		goto mutex_unlock;
+	}
+
+	rtw_reset_continual_urb_error(dvobjpriv);
+
+mutex_unlock:
+	mutex_unlock(&dvobjpriv->usb_vendor_req_mutex);
+
+	return status;
+}
+
 u8 rtw_read8(struct adapter *adapter, u32 addr)
 {
 	struct io_priv *io_priv = &adapter->iopriv;
@@ -182,7 +160,7 @@ int rtw_write8(struct adapter *adapter, u32 addr, u8 val)
 	u16 value = addr & 0xffff;
 	int ret;
 
-	ret = usbctrl_vendorreq(intf, value, &val, 1, REALTEK_USB_VENQT_WRITE);
+	ret = usb_write(intf, value, &val, 1);
 
 	return RTW_STATUS_CODE(ret);
 }
@@ -195,7 +173,7 @@ int rtw_write16(struct adapter *adapter, u32 addr, u16 val)
 	__le16 data = cpu_to_le16(val);
 	int ret;
 
-	ret = usbctrl_vendorreq(intf, value, &data, 2, REALTEK_USB_VENQT_WRITE);
+	ret = usb_write(intf, value, &data, 2);
 
 	return RTW_STATUS_CODE(ret);
 }
@@ -208,7 +186,7 @@ int rtw_write32(struct adapter *adapter, u32 addr, u32 val)
 	__le32 data = cpu_to_le32(val);
 	int ret;
 
-	ret = usbctrl_vendorreq(intf, value, &data, 4, REALTEK_USB_VENQT_WRITE);
+	ret = usb_write(intf, value, &data, 4);
 
 	return RTW_STATUS_CODE(ret);
 }
@@ -223,7 +201,7 @@ int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *data)
 	if (length > VENDOR_CMD_MAX_DATA_LEN)
 		return _FAIL;
 
-	ret = usbctrl_vendorreq(intf, value, data, length, REALTEK_USB_VENQT_WRITE);
+	ret = usb_write(intf, value, data, length);
 
 	return RTW_STATUS_CODE(ret);
 }