Commit 073d44ea authored by Martin Kaiser's avatar Martin Kaiser Committed by Greg Kroah-Hartman
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staging: r8188eu: read back action code from ieee80211_mgmt 



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: default avatarMartin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220508161451.115847-6-martin@kaiser.cx


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e2b1711f

drivers/staging/r8188eu/core/rtw_mlme_ext.c

+2 −3
Original line number Diff line number Diff line
@@ -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);