linux-kernel - [PATCH 4/5] staging: r8188eu: read aid from struct ieee80211

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Message-Id: <20220724153917.138848-5-martin@kaiser.cx>
Date:   Sun, 24 Jul 2022 17:39:16 +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>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 4/5] staging: r8188eu: read aid from struct ieee80211_mgmt

Read the aid of the association response message from struct
ieee80211_mgmt instead of parsing the message ourselves.

Remove the cast to int, aid is a u16.
Keep the 0x3fff mask that is currently applied to the aid.

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

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 1a68b131f983..25e47efa5b9c 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1301,8 +1301,7 @@ unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame
 	/* set slot time */
 	pmlmeinfo->slotTime = (pmlmeinfo->capability & BIT(10)) ? 9 : 20;
 
-	/* AID */
-	pmlmeinfo->aid = (int)(le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 4)) & 0x3fff);
+	pmlmeinfo->aid = le16_to_cpu(mgmt->u.assoc_resp.aid) & 0x3fff;
 	res = pmlmeinfo->aid;
 
 	/* following are moved to join event callback function */
-- 
2.30.2