staging: rtl8723au: Remove unused semaphore 'allrxreturnevt'

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_recv.c

@@ -72,8 +72,6 @@ int _rtw_init_recv_priv23a(struct recv_priv *precvpriv,
 	precvpriv->free_recvframe_cnt = i;
 	precvpriv->rx_pending_cnt = 1;
 
-	sema_init(&precvpriv->allrxreturnevt, 0);
-
 	res = rtw_hal_init23a_recv_priv(padapter);
 
 	setup_timer(&precvpriv->signal_stat_timer, rtw_signal_stat_timer_hdl23a,

drivers/staging/rtl8723au/include/rtw_recv.h

@@ -187,7 +187,6 @@ struct recv_priv {
 	uint  rx_middlepacket_crcerr;
 
 	/* u8 *pallocated_urb_buf; */
-	struct semaphore allrxreturnevt;
 	uint	ff_hwaddr;
 	u8	rx_pending_cnt;