staging: r8188eu: read addr2 from ieee80211_mgmt

Define a struct ieee80211_mgmt variable in the OnAction_back function. Use
it to read addr2. For management frames, addr2 is the source address (sa).

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220508161451.115847-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 848b505..2f67e3c 100644 (file)
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1467,7 +1467,7 @@ unsigned int OnDisassoc(struct adapter *padapter, struct recv_frame *precv_frame
 
 unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_frame)
 {
-       u8 *addr;
+       struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)precv_frame->rx_data;
        struct sta_info *psta = NULL;
        struct recv_reorder_ctrl *preorder_ctrl;
        unsigned char           *frame_body;
@@ -1485,8 +1485,7 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr
                if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS))
                        return _SUCCESS;
 
-       addr = GetAddr2Ptr(pframe);
-       psta = rtw_get_stainfo(pstapriv, addr);
+       psta = rtw_get_stainfo(pstapriv, mgmt->sa);
 
        if (!psta)
                return _SUCCESS;
@@ -1501,12 +1500,12 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr
                switch (action) {
                case RTW_WLAN_ACTION_ADDBA_REQ: /* ADDBA request */
                        memcpy(&pmlmeinfo->ADDBA_req, &frame_body[2], sizeof(struct ADDBA_request));
-                       process_addba_req(padapter, (u8 *)&pmlmeinfo->ADDBA_req, addr);
+                       process_addba_req(padapter, (u8 *)&pmlmeinfo->ADDBA_req, mgmt->sa);
 
                        if (pmlmeinfo->bAcceptAddbaReq)
-                               issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 0);
+                               issue_action_BA(padapter, mgmt->sa, RTW_WLAN_ACTION_ADDBA_RESP, 0);
                        else
-                               issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */
+                               issue_action_BA(padapter, mgmt->sa, RTW_WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */
                        break;
                case RTW_WLAN_ACTION_ADDBA_RESP: /* ADDBA response */
                        status = get_unaligned_le16(&frame_body[3]);