staging: rtl8188eu: Remove pdata, phead, ptail and pend from struct recv_buf

Driver is not making use of value stored in removed variables.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c

@@ -31,15 +31,7 @@
 void rtl8188eu_init_recvbuf(struct adapter *padapter, struct recv_buf *precvbuf)
 {
 	precvbuf->len = 0;
-
 	precvbuf->ref_cnt = 0;
-
-	if (precvbuf->pbuf) {
-		precvbuf->pdata = precvbuf->pbuf;
-		precvbuf->phead = precvbuf->pbuf;
-		precvbuf->ptail = precvbuf->pbuf;
-		precvbuf->pend = precvbuf->pdata + MAX_RECVBUF_SZ;
-	}
 }
 
 int	rtl8188eu_init_recv_priv(struct adapter *padapter)

drivers/staging/rtl8188eu/hal/usb_ops_linux.c

@@ -615,18 +615,9 @@ static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
 		alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
 		skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
 
-		precvbuf->phead = precvbuf->pskb->head;
-		precvbuf->pdata = precvbuf->pskb->data;
-		precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
-		precvbuf->pend = skb_end_pointer(precvbuf->pskb);
 		precvbuf->pbuf = precvbuf->pskb->data;
 	} else { /* reuse skb */
-		precvbuf->phead = precvbuf->pskb->head;
-		precvbuf->pdata = precvbuf->pskb->data;
-		precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
-		precvbuf->pend = skb_end_pointer(precvbuf->pskb);
 		precvbuf->pbuf = precvbuf->pskb->data;
-
 		precvbuf->reuse = false;
 	}
 

drivers/staging/rtl8188eu/include/rtw_recv.h

@@ -240,10 +240,6 @@ struct recv_buf {
 	u8	*pbuf;
 	u8	*pallocated_buf;
 	u32	len;
-	u8	*phead;
-	u8	*pdata;
-	u8	*ptail;
-	u8	*pend;
 	struct urb *purb;
 	u32 alloc_sz;
 	u8  irp_pending;

drivers/staging/rtl8188eu/os_dep/recv_linux.c

@@ -63,10 +63,6 @@ int rtw_os_recvbuf_resource_alloc(struct adapter *padapter,
 	precvbuf->reuse = false;
 	precvbuf->pallocated_buf = NULL;
 	precvbuf->pbuf = NULL;
-	precvbuf->pdata = NULL;
-	precvbuf->phead = NULL;
-	precvbuf->ptail = NULL;
-	precvbuf->pend = NULL;
 	precvbuf->len = 0;
 	return res;
 }