staging: rtl8723bs: Delete un-necessary return for _rtw_xmit_entry()

As _rtw_xmit_entry() would always return 0, we are save to delete the
return value for it.
Signed-off-by: GUO Zihua <guozihua@huawei.com>
Link: https://lore.kernel.org/r/20220909082048.14486-2-guozihua@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/include/xmit_osdep.h

@@ -25,7 +25,7 @@ struct sta_xmit_priv;
 struct xmit_frame;
 struct xmit_buf;
 
-extern int _rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev);
+extern void _rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev);
 extern int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev);
 
 void rtw_os_xmit_schedule(struct adapter *padapter);

drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c

@@ -2084,7 +2084,8 @@ static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struc
 		memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
 
 		/* Use the real net device to transmit the packet */
-		return _rtw_xmit_entry(skb, padapter->pnetdev);
+		_rtw_xmit_entry(skb, padapter->pnetdev);
+		return NETDEV_TX_OK;
 
 	} else if ((frame_control & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE)) ==
 		   (IEEE80211_FTYPE_MGMT|IEEE80211_STYPE_ACTION)) {

drivers/staging/rtl8723bs/os_dep/xmit_linux.c

@@ -181,7 +181,7 @@ static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb)
 	return true;
 }
 
-int _rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev)
+void _rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev)
 {
 	struct adapter *padapter = rtw_netdev_priv(pnetdev);
 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
@@ -202,7 +202,7 @@ int _rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev)
 		if (pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME / 4)) {
 			res = rtw_mlcst2unicst(padapter, pkt);
 			if (res)
-				goto exit;
+				return;
 		}
 	}
 
@@ -210,22 +210,17 @@ int _rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev)
 	if (res < 0)
 		goto drop_packet;
 
-	goto exit;
+	return;
 
 drop_packet:
 	pxmitpriv->tx_drop++;
 	dev_kfree_skb_any(pkt);
-
-exit:
-	return 0;
 }
 
 int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev)
 {
-	int ret = 0;
-
 	if (pkt)
-		ret = _rtw_xmit_entry(pkt, pnetdev);
+		_rtw_xmit_entry(pkt, pnetdev);
 
-	return ret;
+	return 0;
 }