staging:r8188eu: remove precv_frame_buf member of recv_priv structure

precv_frame_buf is used as local variable only in one function.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_recv.c

@@ -71,9 +71,7 @@ int _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter)
 	if (!precvpriv->pallocated_frame_buf)
 		return _FAIL;
 
-	precvpriv->precv_frame_buf = PTR_ALIGN(precvpriv->pallocated_frame_buf, RXFRAME_ALIGN_SZ);
-
-	precvframe = (struct recv_frame *)precvpriv->precv_frame_buf;
+	precvframe = (struct recv_frame *)PTR_ALIGN(precvpriv->pallocated_frame_buf, RXFRAME_ALIGN_SZ);
 
 	for (i = 0; i < NR_RECVFRAME; i++) {
 		INIT_LIST_HEAD(&(precvframe->list));

drivers/staging/rtl8188eu/include/rtw_recv.h

@@ -165,7 +165,6 @@ struct recv_priv {
 	struct __queue recv_pending_queue;
 	struct __queue uc_swdec_pending_queue;
 	u8 *pallocated_frame_buf;
-	u8 *precv_frame_buf;
 	struct adapter	*adapter;
 	u32	bIsAnyNonBEPkts;
 	u64	rx_bytes;