[PATCH 05/10] staging: rtl8188eu: set pipe only once

From: Martin Kaiser
Date: Wed Apr 07 2021 - 13:06:13 EST


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