staging: r8188eu: remove unused field pdata

The field pdata in struct recv_buf is set but not used.
Remove it.

Also remove rtl8188eu_init_recvbuf function as it does nothing now.
Signed-off-by: Abdun Nihaal <abdun.nihaal@gmail.com>
Link: https://lore.kernel.org/r/7fe9ed2c6eade65c118511228283ef9d92ea4b43.1646321515.git.abdun.nihaal@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/rtl8188eu_recv.c

@@ -12,13 +12,6 @@
 
 #include "../include/rtl8188e_hal.h"
 
-void rtl8188eu_init_recvbuf(struct recv_buf *precvbuf)
-{
-	if (precvbuf->pbuf) {
-		precvbuf->pdata = precvbuf->pbuf;
-	}
-}
-
 int	rtl8188eu_init_recv_priv(struct adapter *padapter)
 {
 	struct recv_priv	*precvpriv = &padapter->recvpriv;

drivers/staging/r8188eu/hal/usb_ops_linux.c

@@ -428,8 +428,6 @@ u32 rtw_read_port(struct adapter *adapter, u8 *rmem)
 			precvbuf->reuse = true;
 	}
 
-	rtl8188eu_init_recvbuf(precvbuf);
-
 	/* re-assign for linux based on skb */
 	if (!precvbuf->reuse || !precvbuf->pskb) {
 		precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
@@ -440,10 +438,8 @@ u32 rtw_read_port(struct adapter *adapter, u8 *rmem)
 		alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1);
 		skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
 
-		precvbuf->pdata = precvbuf->pskb->data;
 		precvbuf->pbuf = precvbuf->pskb->data;
 	} else { /* reuse skb */
-		precvbuf->pdata = precvbuf->pskb->data;
 		precvbuf->pbuf = precvbuf->pskb->data;
 
 		precvbuf->reuse = false;

drivers/staging/r8188eu/include/rtl8188e_recv.h

@@ -37,7 +37,6 @@ enum rx_packet_type {
 	HIS_REPORT,/*  USB HISR RPT */
 };
 
-void rtl8188eu_init_recvbuf(struct recv_buf *buf);
 s32 rtl8188eu_init_recv_priv(struct adapter *padapter);
 void rtl8188eu_free_recv_priv(struct adapter * padapter);
 void rtl8188eu_recv_hdl(struct adapter * padapter, struct recv_buf *precvbuf);

drivers/staging/r8188eu/include/rtw_recv.h

@@ -210,7 +210,6 @@ struct recv_buf {
 	struct adapter *adapter;
 	u8	*pbuf;
 	u8	*pallocated_buf;
-	u8	*pdata;
 	struct urb *purb;
 	dma_addr_t dma_transfer_addr;	/* (in) dma addr for transfer_buffer */
 	u32 alloc_sz;

drivers/staging/r8188eu/os_dep/recv_linux.c

@@ -26,7 +26,6 @@ int rtw_os_recvbuf_resource_alloc(struct adapter *padapter,
 	precvbuf->reuse = false;
 	precvbuf->pallocated_buf = NULL;
 	precvbuf->pbuf = NULL;
-	precvbuf->pdata = NULL;
 	return res;
 }