linux-kernel - [PATCH 2/7] staging: r8188eu: read addba resp tid from ieee80211

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Date:   Sat, 14 May 2022 18:47:35 +0200
From:   Martin Kaiser <martin@...ser.cx>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 2/7] staging: r8188eu: read addba resp tid from ieee80211_mgmt

Use the same code as ieee80211_process_addba_resp to calculate the tid
from the capability field of an addba response message.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_mlme_ext.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 4d8337d0dc20..03c9b2d0d4e8 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1505,7 +1505,8 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr
 			issue_action_BA(padapter, mgmt->sa, WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */
 		break;
 	case WLAN_ACTION_ADDBA_RESP:
-		tid = ((frame_body[5] >> 2) & 0x7);
+		tid = u16_get_bits(le16_to_cpu(mgmt->u.action.u.addba_resp.capab),
+				   IEEE80211_ADDBA_PARAM_TID_MASK);
 		if (mgmt->u.action.u.addba_resp.status == 0) {	/* successful */
 			psta->htpriv.agg_enable_bitmap |= 1 << tid;
 			psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
-- 
2.30.2