linux-kernel - [PATCH 05/11] staging: rtl8188eu: clean up usb

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Date:   Tue,  6 Apr 2021 22:48:23 +0200
From:   Martin Kaiser <martin@...ser.cx>
To:     Larry Finger <Larry.Finger@...inger.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-staging@...ts.linux.dev, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org, Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 05/11] staging: rtl8188eu: clean up usb_read8

Remove unnecessary variable, summarize declaration and assignment.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
index 205a15dd67a5..0172405c815e 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
@@ -296,14 +296,10 @@ usbctrl_vendorreq(struct adapter *adapt, u16 value, void *pdata, u16 len, u8 req
 
 u8 usb_read8(struct adapter *adapter, u32 addr)
 {
-	u16 wvalue;
-	u16 len;
-	u8 data = 0;
-
-	wvalue = (u16)(addr & 0x0000ffff);
-	len = 1;
+	u16 wvalue = (u16)(addr & 0xffff);
+	u8 data;
 
-	usbctrl_vendorreq(adapter, wvalue, &data, len, REALTEK_USB_VENQT_READ);
+	usbctrl_vendorreq(adapter, wvalue, &data, 1, REALTEK_USB_VENQT_READ);
 
 	return data;
 }
-- 
2.20.1