Set the pipe for reading or writing in usbctrl_vendorreq only once. There's no need to set it again for every retry. Signed-off-by: Martin Kaiser <martin@xxxxxxxxx> --- .../staging/rtl8188eu/os_dep/usb_ops_linux.c | 22 ++++++++++--------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c index 13d2733b2b1b..f2fa4fb3595f 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c @@ -249,18 +249,20 @@ usbctrl_vendorreq(struct adapter *adapt, u16 value, void *pdata, u16 len, u8 req goto release_mutex; } - while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) { - memset(pIo_buf, 0, len); + if (reqtype == REALTEK_USB_VENQT_READ) { + pipe = usb_rcvctrlpipe(udev, 0); + } else if (reqtype == REALTEK_USB_VENQT_WRITE) { + pipe = usb_sndctrlpipe(udev, 0); + } else { + status = -EINVAL; + goto free_buf; + } - if (reqtype == REALTEK_USB_VENQT_READ) { - pipe = usb_rcvctrlpipe(udev, 0);/* read_in */ - } else if (reqtype == REALTEK_USB_VENQT_WRITE) { - pipe = usb_sndctrlpipe(udev, 0);/* write_out */ + while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) { + if (reqtype == REALTEK_USB_VENQT_READ) + memset(pIo_buf, 0, len); + else memcpy(pIo_buf, pdata, len); - } else { - status = -EINVAL; - goto free_buf; - } status = usb_control_msg(udev, pipe, REALTEK_USB_VENQT_CMD_REQ, reqtype, value, REALTEK_USB_VENQT_CMD_IDX, -- 2.20.1