staging: rtl8188eu: clean up usb_write8

Remove unnecessary variable, summarize declaration and assignment.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210406204829.18130-8-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
index beab5343fda8100e85cbf801773a3f5acd23e1ff..e2ff4f70610e3911d486681bb2ca609ad8047ace 100644 (file)
--- a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
@@ -487,14 +487,10 @@ void rtw_hal_inirp_deinit(struct adapter *padapter)
 
 int usb_write8(struct adapter *adapter, u32 addr, u8 val)
 {
-       u16 wvalue;
-       u16 len;
-       u8 data;
+       u16 wvalue = (u16)(addr & 0xffff);
+       u8 data = val;
 
-       wvalue = (u16)(addr & 0x0000ffff);
-       len = 1;
-       data = val;
-       return usbctrl_vendorreq(adapter, wvalue, &data, len, REALTEK_USB_VENQT_WRITE);
+       return usbctrl_vendorreq(adapter, wvalue, &data, 1, REALTEK_USB_VENQT_WRITE);
 }
 
 int usb_write16(struct adapter *adapter, u32 addr, u16 val)