linux-kernel - [PATCH 7/9] staging: r8188eu: remove unused field pdata

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Date:   Thu,  3 Mar 2022 21:21:09 +0530
From:   Abdun Nihaal <abdun.nihaal@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        straube.linux@...il.com, paskripkin@...il.com, martin@...ser.cx,
        abdun.nihaal@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: [PATCH 7/9] 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@...il.com>
---
 drivers/staging/r8188eu/hal/rtl8188eu_recv.c    | 7 -------
 drivers/staging/r8188eu/hal/usb_ops_linux.c     | 4 ----
 drivers/staging/r8188eu/include/rtl8188e_recv.h | 1 -
 drivers/staging/r8188eu/include/rtw_recv.h      | 1 -
 drivers/staging/r8188eu/os_dep/recv_linux.c     | 1 -
 5 files changed, 14 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/rtl8188eu_recv.c b/drivers/staging/r8188eu/hal/rtl8188eu_recv.c
index 9f772fc7d6c1..2960e349638d 100644
--- a/drivers/staging/r8188eu/hal/rtl8188eu_recv.c
+++ b/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;
diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index f16a6bb21ab4..063bec94fd7e 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/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;
diff --git a/drivers/staging/r8188eu/include/rtl8188e_recv.h b/drivers/staging/r8188eu/include/rtl8188e_recv.h
index 87dd4152082a..a2320af11216 100644
--- a/drivers/staging/r8188eu/include/rtl8188e_recv.h
+++ b/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);
diff --git a/drivers/staging/r8188eu/include/rtw_recv.h b/drivers/staging/r8188eu/include/rtw_recv.h
index f7bc1c9579fc..55b1bb7840c8 100644
--- a/drivers/staging/r8188eu/include/rtw_recv.h
+++ b/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;
diff --git a/drivers/staging/r8188eu/os_dep/recv_linux.c b/drivers/staging/r8188eu/os_dep/recv_linux.c
index c8a0ac80df69..a35c78f9ae44 100644
--- a/drivers/staging/r8188eu/os_dep/recv_linux.c
+++ b/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;
 }
 
-- 
2.35.1