[PATCH 25/37] staging:r8188eu: remove len member of recv_frame structure

[Ivan Safonov]

len replaced with pkt->len.

Signed-off-by: Ivan Safonov <insafonov@xxxxxxxxx>
---
 drivers/staging/rtl8188eu/core/rtw_mlme_ext.c    | 14 +++++++-------
 drivers/staging/rtl8188eu/core/rtw_recv.c        | 23 +++++++++--------------
 drivers/staging/rtl8188eu/core/rtw_security.c    |  6 +++---
 drivers/staging/rtl8188eu/include/rtw_recv.h     |  6 +-----
 drivers/staging/rtl8188eu/os_dep/mon.c           |  2 +-
 drivers/staging/rtl8188eu/os_dep/recv_linux.c    |  9 ++-------
 drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c |  1 -
 7 files changed, 23 insertions(+), 38 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
index 26639f0..08bb61d 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
@@ -2051,7 +2051,7 @@ static u8 collect_bss_info(struct adapter *padapter,
 	u8 *p;
 	u16 val16, subtype;
 	u8 *pframe = precv_frame->pkt->data;
-	u32	packet_len = precv_frame->len;
+	u32	packet_len = precv_frame->pkt->len;
 	u8 ie_offset;
 	struct registry_priv	*pregistrypriv = &padapter->registrypriv;
 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
@@ -2558,7 +2558,7 @@ static unsigned int OnProbeReq(struct adapter *padapter,
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
 	struct wlan_bssid_ex *cur = &(pmlmeinfo->network);
 	u8 *pframe = precv_frame->pkt->data;
-	uint len = precv_frame->len;
+	uint len = precv_frame->pkt->len;
 
 	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
 		return _SUCCESS;
@@ -2606,7 +2606,7 @@ static unsigned int OnBeacon(struct adapter *padapter,
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 	struct sta_priv	*pstapriv = &padapter->stapriv;
 	u8 *pframe = precv_frame->pkt->data;
-	uint len = precv_frame->len;
+	uint len = precv_frame->pkt->len;
 	struct wlan_bssid_ex *pbss;
 	int ret = _SUCCESS;
 	struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
@@ -2703,7 +2703,7 @@ static unsigned int OnAuth(struct adapter *padapter,
 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
 	u8 *pframe = precv_frame->pkt->data;
-	uint len = precv_frame->len;
+	uint len = precv_frame->pkt->len;
 
 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
 		return _FAIL;
@@ -2866,7 +2866,7 @@ static unsigned int OnAuthClient(struct adapter *padapter,
 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
 	u8 *pframe = precv_frame->pkt->data;
-	uint pkt_len = precv_frame->len;
+	uint pkt_len = precv_frame->pkt->len;
 
 	DBG_88E("%s\n", __func__);
 
@@ -2954,7 +2954,7 @@ static unsigned int OnAssocReq(struct adapter *padapter,
 	struct wlan_bssid_ex *cur = &(pmlmeinfo->network);
 	struct sta_priv *pstapriv = &padapter->stapriv;
 	u8 *pframe = precv_frame->pkt->data;
-	uint pkt_len = precv_frame->len;
+	uint pkt_len = precv_frame->pkt->len;
 
 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
 		return _FAIL;
@@ -3386,7 +3386,7 @@ static unsigned int OnAssocRsp(struct adapter *padapter,
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
 	/* struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); */
 	u8 *pframe = precv_frame->pkt->data;
-	uint pkt_len = precv_frame->len;
+	uint pkt_len = precv_frame->pkt->len;
 
 	DBG_88E("%s\n", __func__);
 
diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c
index 0a520a2..5e47e25 100644
--- a/drivers/staging/rtl8188eu/core/rtw_recv.c
+++ b/drivers/staging/rtl8188eu/core/rtw_recv.c
@@ -80,7 +80,6 @@ int _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter)
 				     &(precvpriv->free_recv_queue.queue));
 
 		precvframe->pkt = NULL;
-		precvframe->len = 0;
 
 		precvframe->adapter = padapter;
 		precvframe++;
@@ -149,8 +148,6 @@ int rtw_free_recvframe(struct recv_frame *precvframe,
 
 	list_del_init(&(precvframe->list));
 
-	precvframe->len = 0;
-
 	list_add_tail(&(precvframe->list), get_list_head(pfree_recv_queue));
 
 	spin_unlock_bh(&pfree_recv_queue->lock);
@@ -261,7 +258,7 @@ static int recvframe_chkmic(struct adapter *adapter,
 			}
 
 			/* icv_len included the mic code */
-			datalen = precvframe->len-prxattrib->hdrlen -
+			datalen = precvframe->pkt->len-prxattrib->hdrlen -
 				  prxattrib->iv_len-prxattrib->icv_len-8;
 			pframe = precvframe->pkt->data;
 			payload = pframe+prxattrib->hdrlen+prxattrib->iv_len;
@@ -298,8 +295,8 @@ static int recvframe_chkmic(struct adapter *adapter,
 					uint i;
 					RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
 						 ("\n ======demp packet (len=%d)======\n",
-						 precvframe->len));
-					for (i = 0; i < precvframe->len; i += 8) {
+						 precvframe->pkt->len));
+					for (i = 0; i < precvframe->pkt->len; i += 8) {
 						RT_TRACE(_module_rtl871x_recv_c_,
 							 _drv_err_,
 							 ("0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x",
@@ -315,7 +312,7 @@ static int recvframe_chkmic(struct adapter *adapter,
 					RT_TRACE(_module_rtl871x_recv_c_,
 						 _drv_err_,
 						 ("\n ====== demp packet end [len=%d]======\n",
-						 precvframe->len));
+						 precvframe->pkt->len));
 					RT_TRACE(_module_rtl871x_recv_c_,
 						 _drv_err_,
 						 ("\n hrdlen=%d,\n",
@@ -617,7 +614,7 @@ static void count_rx_stats(struct adapter *padapter,
 	struct rx_pkt_attrib	*pattrib = &prframe->attrib;
 	struct recv_priv	*precvpriv = &padapter->recvpriv;
 
-	sz = prframe->len;
+	sz = prframe->pkt->len;
 	precvpriv->rx_bytes += sz;
 
 	padapter->mlmepriv.LinkDetectInfo.NumRxOkInPeriod++;
@@ -1297,7 +1294,7 @@ static int wlanhdr_to_ethhdr(struct recv_frame *precvframe)
 	}
 
 	rmv_len = pattrib->hdrlen + pattrib->iv_len + (bsnaphdr ? SNAP_SIZE : 0);
-	len = precvframe->len - rmv_len;
+	len = precvframe->pkt->len - rmv_len;
 
 	RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
 		 ("\n===pattrib->hdrlen: %x,  pattrib->iv_len:%x===\n\n", pattrib->hdrlen,  pattrib->iv_len));
@@ -1381,9 +1378,9 @@ static struct recv_frame *recvframe_defrag(struct adapter *adapter,
 		recvframe_pull_tail(prframe, pfhdr->attrib.icv_len);
 
 		/* memcpy */
-		memcpy(pfhdr->pkt->tail, pnfhdr->pkt->data, pnfhdr->len);
+		memcpy(pfhdr->pkt->tail, pnfhdr->pkt->data, pnfhdr->pkt->len);
 
-		recvframe_put(prframe, pnfhdr->len);
+		recvframe_put(prframe, pnfhdr->pkt->len);
 
 		pfhdr->attrib.icv_len = pnfhdr->attrib.icv_len;
 		plist = plist->next;
@@ -1516,7 +1513,7 @@ static int amsdu_to_msdu(struct adapter *padapter, struct recv_frame *prframe)
 	if (prframe->attrib.iv_len > 0)
 		recvframe_pull(prframe, prframe->attrib.iv_len);
 
-	a_len = prframe->len;
+	a_len = prframe->pkt->len;
 
 	pdata = prframe->pkt->data;
 
@@ -1605,8 +1602,6 @@ static int amsdu_to_msdu(struct adapter *padapter, struct recv_frame *prframe)
 	}
 
 exit:
-
-	prframe->len = 0;
 	rtw_free_recvframe(prframe, pfree_recv_queue);/* free this recv_frame */
 
 	return _SUCCESS;
diff --git a/drivers/staging/rtl8188eu/core/rtw_security.c b/drivers/staging/rtl8188eu/core/rtw_security.c
index d0d2f9a..7dae6f7 100644
--- a/drivers/staging/rtl8188eu/core/rtw_security.c
+++ b/drivers/staging/rtl8188eu/core/rtw_security.c
@@ -213,7 +213,7 @@ void rtw_wep_decrypt(struct adapter  *padapter, u8 *precvframe)
 		keylength = psecuritypriv->dot11DefKeylen[keyindex];
 		memcpy(&wepkey[0], iv, 3);
 		memcpy(&wepkey[3], &psecuritypriv->dot11DefKey[keyindex].skey[0], keylength);
-		length = ((struct recv_frame *)precvframe)->len-prxattrib->hdrlen-prxattrib->iv_len;
+		length = ((struct recv_frame *)precvframe)->pkt->len-prxattrib->hdrlen-prxattrib->iv_len;
 
 		payload = pframe+prxattrib->iv_len+prxattrib->hdrlen;
 
@@ -672,7 +672,7 @@ u32 rtw_tkip_decrypt(struct adapter *padapter, u8 *precvframe)
 
 			iv = pframe+prxattrib->hdrlen;
 			payload = pframe+prxattrib->iv_len+prxattrib->hdrlen;
-			length = ((struct recv_frame *)precvframe)->len-prxattrib->hdrlen-prxattrib->iv_len;
+			length = ((struct recv_frame *)precvframe)->pkt->len-prxattrib->hdrlen-prxattrib->iv_len;
 
 			GET_TKIP_PN(iv, dot11txpn);
 
@@ -1476,7 +1476,7 @@ u32	rtw_aes_decrypt(struct adapter *padapter, u8 *precvframe)
 			} else {
 				prwskey = &stainfo->dot118021x_UncstKey.skey[0];
 			}
-			length = ((struct recv_frame *)precvframe)->len-prxattrib->hdrlen-prxattrib->iv_len;
+			length = ((struct recv_frame *)precvframe)->pkt->len-prxattrib->hdrlen-prxattrib->iv_len;
 			res = aes_decipher(prwskey, prxattrib->hdrlen, pframe, length);
 		} else {
 			RT_TRACE(_module_rtl871x_security_c_, _drv_err_, ("rtw_aes_encrypt: stainfo==NULL!!!\n"));
diff --git a/drivers/staging/rtl8188eu/include/rtw_recv.h b/drivers/staging/rtl8188eu/include/rtw_recv.h
index eab2bef..752c40fe 100644
--- a/drivers/staging/rtl8188eu/include/rtw_recv.h
+++ b/drivers/staging/rtl8188eu/include/rtw_recv.h
@@ -232,7 +232,6 @@ struct recv_frame {
 	struct sk_buff	 *pkt;
 	struct adapter  *adapter;
 	struct rx_pkt_attrib attrib;
-	uint  len;
 	struct sta_info *psta;
 	/* for A-MPDU Rx reordering buffer control */
 	struct recv_reorder_ctrl *preorder_ctrl;
@@ -268,7 +267,6 @@ static inline u8 *recvframe_pull(struct recv_frame *precvframe, uint sz)
 	data = skb_pull(precvframe->pkt, sz);
 	if (!data)
 		return NULL;
-	precvframe->len -= sz;
 	return data;
 }
 
@@ -286,7 +284,6 @@ static inline u8 *recvframe_put(struct recv_frame *precvframe, uint sz)
 	tail = skb_put(precvframe->pkt, sz);
 	if (!tail)
 		return NULL;
-	precvframe->len += sz;
 	return tail;
 }
 
@@ -301,10 +298,9 @@ static inline void recvframe_pull_tail(struct recv_frame *precvframe, uint sz)
 	if (precvframe == NULL)
 		return;
 
-	if (precvframe->len < sz)
+	if (precvframe->pkt->len < sz)
 		return;
 	skb_trim(precvframe->pkt, precvframe->pkt->len - sz);
-	precvframe->len -= sz;
 }
 
 static inline s32 translate_percentage_to_dbm(u32 sig_stren_index)
diff --git a/drivers/staging/rtl8188eu/os_dep/mon.c b/drivers/staging/rtl8188eu/os_dep/mon.c
index 263c6d5..9b3f3ec 100644
--- a/drivers/staging/rtl8188eu/os_dep/mon.c
+++ b/drivers/staging/rtl8188eu/os_dep/mon.c
@@ -93,7 +93,7 @@ void rtl88eu_mon_recv_hook(struct net_device *dev, struct recv_frame *frame)
 
 	attr = &frame->attrib;
 	data = frame->pkt->data;
-	data_len = frame->len;
+	data_len = frame->pkt->len;
 
 	/* Broadcast and multicast frames don't have attr->{iv,icv}_len set */
 	SET_ICE_IV_LEN(iv_len, icv_len, attr->encrypt);
diff --git a/drivers/staging/rtl8188eu/os_dep/recv_linux.c b/drivers/staging/rtl8188eu/os_dep/recv_linux.c
index 98b5817..0496348 100644
--- a/drivers/staging/rtl8188eu/os_dep/recv_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/recv_linux.c
@@ -94,14 +94,9 @@ int rtw_recv_indicatepkt(struct adapter *padapter,
 		 ("rtw_recv_indicatepkt(): precv_frame->pkt->rx_data =%p\n",
 		  precv_frame->pkt->data));
 	RT_TRACE(_module_recv_osdep_c_, _drv_info_,
-		 ("precv_frame->hdr.rx_tail =%p precv_frame->pkt->end =%p precv_frame->hdr.len =%d\n",
+		 ("precv_frame->hdr.rx_tail =%p precv_frame->pkt->end =%p precv_frame->pkt->len =%d\n",
 		 precv_frame->pkt->tail, precv_frame->pkt->end,
-		 precv_frame->len));
-
-	skb_set_tail_pointer(skb, precv_frame->len);
-
-	skb->len = precv_frame->len;
-
+		 precv_frame->pkt->len));
 	RT_TRACE(_module_recv_osdep_c_, _drv_info_,
 		 ("skb->head =%p skb->data =%p skb->tail =%p skb->end =%p skb->len =%d\n",
 		 skb->head, skb->data, skb_tail_pointer(skb),
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
index 3fc4d84..572a89f 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
@@ -73,7 +73,6 @@ static int recvbuf2recvframe(struct adapter *adapt, struct sk_buff *pskb)
 		}
 
 		INIT_LIST_HEAD(&precvframe->list);
-		precvframe->len = 0;
 
 		update_recvframe_attrib_88e(precvframe, prxstat);
 
-- 
2.7.3