linux-kernel - [PATCH 06/11] staging: rtl8188eu: clean up usb

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Message-Id: <20210406204829.18130-6-martin@kaiser.cx>
Date:   Tue,  6 Apr 2021 22:48:24 +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 06/11] staging: rtl8188eu: clean up usb_read16

Remove unnecessary variable, summarize declaration and assignment.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
index 0172405c815e..915bf86237b0 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
@@ -306,13 +306,10 @@ u8 usb_read8(struct adapter *adapter, u32 addr)
 
 u16 usb_read16(struct adapter *adapter, u32 addr)
 {
-	u16 wvalue;
-	u16 len;
+	u16 wvalue = (u16)(addr & 0xffff);
 	__le32 data;
 
-	wvalue = (u16)(addr & 0x0000ffff);
-	len = 2;
-	usbctrl_vendorreq(adapter, wvalue, &data, len, REALTEK_USB_VENQT_READ);
+	usbctrl_vendorreq(adapter, wvalue, &data, 2, REALTEK_USB_VENQT_READ);
 
 	return (u16)(le32_to_cpu(data) & 0xffff);
 }
-- 
2.20.1