staging: r8188eu: Remove unused get_rxbuf_desc()

Reported-by: NJes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Cc: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/rtw_recv.h

@@ -406,15 +406,6 @@ static inline u8 *recvframe_pull_tail(struct recv_frame *precvframe, int sz)
 	return precvframe->rx_tail;
 }
 
-static inline unsigned char *get_rxbuf_desc(struct recv_frame *precvframe)
-{
-	unsigned char *buf_desc;
-
-	if (precvframe == NULL)
-		return NULL;
-	return buf_desc;
-}
-
 static inline int get_recvframe_len(struct recv_frame *precvframe)
 {
 	return precvframe->len;