staging: rtl8723au: OnDeAuth23a() use ieee80211 header defines

Use the proper ieee80211.h structs to parse the response instead of
hard coded offsets.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
index 934a470..0d282af 100644 (file)
--- a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
@@ -1702,19 +1702,18 @@ report_assoc_result:
 unsigned int OnDeAuth23a(struct rtw_adapter *padapter,
                         struct recv_frame *precv_frame)
 {
-       unsigned short  reason;
+       unsigned short reason;
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
-       struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
+       struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
        struct sk_buff *skb = precv_frame->pkt;
-       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-       u8 *pframe = skb->data;
+       struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
 
-       /* check A3 */
-       if (!ether_addr_equal(hdr->addr3, get_my_bssid23a(&pmlmeinfo->network)))
+       if (!ether_addr_equal(mgmt->bssid,
+                             get_my_bssid23a(&pmlmeinfo->network)))
                return _SUCCESS;
 
-       reason = le16_to_cpu(*(unsigned short *)(pframe + sizeof(struct ieee80211_hdr_3addr)));
+       reason = le16_to_cpu(mgmt->u.deauth.reason_code);
 
        DBG_8723A("%s Reason code(%d)\n", __func__, reason);
 
@@ -1724,9 +1723,9 @@ unsigned int OnDeAuth23a(struct rtw_adapter *padapter,
                struct sta_priv *pstapriv = &padapter->stapriv;
 
                DBG_8723A_LEVEL(_drv_always_, "ap recv deauth reason code(%d) "
-                               "sta:%pM\n", reason, hdr->addr2);
+                               "sta:%pM\n", reason, mgmt->sa);
 
-               psta = rtw_get_stainfo23a(pstapriv, hdr->addr2);
+               psta = rtw_get_stainfo23a(pstapriv, mgmt->sa);
                if (psta) {
                        u8 updated = 0;
 
@@ -1743,16 +1742,16 @@ unsigned int OnDeAuth23a(struct rtw_adapter *padapter,
                }
 
                return _SUCCESS;
-       }
-       else
+       } else
 #endif
        {
                DBG_8723A_LEVEL(_drv_always_, "sta recv deauth reason code(%d) "
-                               "sta:%pM\n", reason, hdr->addr3);
+                               "sta:%pM\n", reason, mgmt->bssid);
 
-               receive_disconnect23a(padapter, hdr->addr3, reason);
+               receive_disconnect23a(padapter, mgmt->bssid, reason);
        }
        pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
+
        return _SUCCESS;
 }