staging: r8188eu: usb_vendor_req_mutex is not used

usb_vendor_req_mutex in struct dvobj_priv is not used.
Remove it.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220206175925.461426-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/include/drv_types.h b/drivers/staging/r8188eu/include/drv_types.h
index 987dae613d8b4113ad04efc8235dceb26ae90b22..7e6385109cbcee0912fe5d892884965d89f702c5 100644 (file)
--- a/drivers/staging/r8188eu/include/drv_types.h
+++ b/drivers/staging/r8188eu/include/drv_types.h
@@ -141,7 +141,6 @@ struct dvobj_priv {
        u8      RtNumOutPipes;
        int     RegUsbSS;
        struct semaphore usb_suspend_sema;
-       struct mutex  usb_vendor_req_mutex;
 
        struct usb_interface *pusbintf;
        struct usb_device *pusbdev;