staging: rtl8712: r8712_xmit_direct(): Change return type

Change return type of r8712_xmit_direct from int to void as its return
value is never used. Remove return statement accordingly.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Link: https://lore.kernel.org/r/20190809052353.5308-6-nishkadg.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl8712_xmit.c

@@ -737,7 +737,7 @@ static void dump_xframe(struct _adapter *padapter,
 	}
 }
 
-int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe)
+void r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe)
 {
 	int res;
 
@@ -745,7 +745,6 @@ int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe)
 	pxmitframe->pkt = NULL;
 	if (res == _SUCCESS)
 		dump_xframe(padapter, pxmitframe);
-	return res;
 }
 
 int r8712_xmit_enqueue(struct _adapter *padapter, struct xmit_frame *pxmitframe)

drivers/staging/rtl8712/rtl871x_xmit.h

@@ -276,7 +276,7 @@ void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv,
 int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe);
 int r8712_xmit_enqueue(struct _adapter *padapter,
 		       struct xmit_frame *pxmitframe);
-int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe);
+void r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe);
 void r8712_xmit_bh(void *priv);
 
 void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe,