Read the back action code from struct ieee80211_mgmt.
struct ieee80211_mgmt contains an "action" union. Each of its members
starts with an 8-bit action code. Treat the union as addba_req when we
read the action code although we do not yet know if it is an addba_req.
This approach is similar to ieee80211_iface_process_skb.
Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
---
drivers/staging/r8188eu/core/rtw_mlme_ext.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 2a7b85aefa56..8a9236ba7c66 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1471,7 +1471,6 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr
struct sta_info *psta = NULL;
struct recv_reorder_ctrl *preorder_ctrl;
unsigned char *frame_body;
- unsigned char action;
unsigned short tid, status;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
@@ -1494,8 +1493,8 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr
if (!pmlmeinfo->HT_enable)
return _SUCCESS;
- action = frame_body[1];
- switch (action) {
+ /* All union members start with an action code, it's ok to use addba_req. */
+ switch (mgmt->u.action.u.addba_req.action_code) {
case WLAN_ACTION_ADDBA_REQ:
memcpy(&pmlmeinfo->ADDBA_req, &frame_body[2], sizeof(struct ADDBA_request));
process_addba_req(padapter, (u8 *)&pmlmeinfo->ADDBA_req, mgmt->sa);
--
2.30.2
