staging: r8188eu: remove rtw_dequeue_recvbuf()

Function rtw_dequeue_recvbuf() is not used, remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-43-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_recv.c

@@ -282,31 +282,6 @@ int rtw_enqueue_recvbuf(struct recv_buf *precvbuf, struct __queue *queue)
 	return _SUCCESS;
 }
 
-struct recv_buf *rtw_dequeue_recvbuf(struct __queue *queue)
-{
-	struct recv_buf *precvbuf;
-	struct list_head *plist, *phead;
-	unsigned long flags;
-
-	spin_lock_irqsave(&queue->lock, flags);
-
-	if (list_empty(&queue->queue)) {
-		precvbuf = NULL;
-	} else {
-		phead = get_list_head(queue);
-
-		plist = phead->next;
-
-		precvbuf = container_of(plist, struct recv_buf, list);
-
-		list_del_init(&precvbuf->list);
-	}
-
-	spin_unlock_irqrestore(&queue->lock, flags);
-
-	return precvbuf;
-}
-
 static int recvframe_chkmic(struct adapter *adapter,  struct recv_frame *precvframe)
 {
 	int	i, res = _SUCCESS;

drivers/staging/r8188eu/include/rtw_recv.h

@@ -286,7 +286,6 @@ void rtw_free_recvframe_queue(struct __queue *pframequeue,
 u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter);
 int rtw_enqueue_recvbuf_to_head(struct recv_buf *buf, struct __queue *queue);
 int rtw_enqueue_recvbuf(struct recv_buf *precvbuf, struct __queue *queue);
-struct recv_buf *rtw_dequeue_recvbuf(struct __queue *queue);
 
 void rtw_reordering_ctrl_timeout_handler(void *pcontext);