staging: rtl8188eu: Remove 'u8 *pbuf' from struct recv_buf

Instead of using pbuf to pass sbk data pointer to usb_fill_bulk_urb(),
we can use precvbuf->pskb->data to do that.

Signed-off-by: navin patidar <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/rtl8188eu/hal/usb_ops_linux.c

···
 		tmpaddr = (size_t)precvbuf->pskb->data;
 		alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
 		skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
-
-		precvbuf->pbuf = precvbuf->pskb->data;
 	} else { /* reuse skb */
-		precvbuf->pbuf = precvbuf->pskb->data;
 		precvbuf->reuse = false;
 	}
 
···
 	pipe = ffaddr2pipehdl(pdvobj, addr);
 
 	usb_fill_bulk_urb(purb, pusbd, pipe,
-			  precvbuf->pbuf,
+			  precvbuf->pskb->data,
 			  MAX_RECVBUF_SZ,
 			  usb_read_port_complete,
 			  precvbuf);/* context is precvbuf */

drivers/staging/rtl8188eu/include/rtw_recv.h

···
 
 struct recv_buf {
 	struct adapter *adapter;
-	u8	*pbuf;
 	struct urb *purb;
 	struct sk_buff *pskb;
 	u8	reuse;

drivers/staging/rtl8188eu/os_dep/recv_linux.c

···
 		res = _FAIL;
 	precvbuf->pskb = NULL;
 	precvbuf->reuse = false;
-	precvbuf->pbuf = NULL;
 	return res;
 }