Variable was assigned a value that was never used. I have also removed all the code that thereby serves no purpose. This was found using a static code analysis program called cppcheck Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx> --- drivers/staging/rtl8723au/hal/usb_ops_linux.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/staging/rtl8723au/hal/usb_ops_linux.c b/drivers/staging/rtl8723au/hal/usb_ops_linux.c index a6d16ad..4ae0a8a 100644 --- a/drivers/staging/rtl8723au/hal/usb_ops_linux.c +++ b/drivers/staging/rtl8723au/hal/usb_ops_linux.c @@ -26,11 +26,10 @@ u8 rtl8723au_read8(struct rtw_adapter *padapter, u16 addr) { struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter); struct usb_device *udev = pdvobjpriv->pusbdev; - int len; u8 data; mutex_lock(&pdvobjpriv->usb_vendor_req_mutex); - len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), REALTEK_USB_VENQT_CMD_REQ, REALTEK_USB_VENQT_READ, addr, 0, &pdvobjpriv->usb_buf.val8, sizeof(data), RTW_USB_CONTROL_MSG_TIMEOUT); @@ -45,11 +44,10 @@ u16 rtl8723au_read16(struct rtw_adapter *padapter, u16 addr) { struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter); struct usb_device *udev = pdvobjpriv->pusbdev; - int len; u16 data; mutex_lock(&pdvobjpriv->usb_vendor_req_mutex); - len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), REALTEK_USB_VENQT_CMD_REQ, REALTEK_USB_VENQT_READ, addr, 0, &pdvobjpriv->usb_buf.val16, sizeof(data), RTW_USB_CONTROL_MSG_TIMEOUT); @@ -64,11 +62,10 @@ u32 rtl8723au_read32(struct rtw_adapter *padapter, u16 addr) { struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter); struct usb_device *udev = pdvobjpriv->pusbdev; - int len; u32 data; mutex_lock(&pdvobjpriv->usb_vendor_req_mutex); - len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), REALTEK_USB_VENQT_CMD_REQ, REALTEK_USB_VENQT_READ, addr, 0, &pdvobjpriv->usb_buf.val32, sizeof(data), RTW_USB_CONTROL_MSG_TIMEOUT); -- 1.7.10.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel