linux-kernel - [PATCH v2 3/5] staging: r8188eu: read capability info from struct ieee80211

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Message-Id: <20220806111352.690650-4-martin@kaiser.cx>
Date:   Sat,  6 Aug 2022 13:13:50 +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 v2 3/5] staging: r8188eu: read capability info from struct ieee80211_mgmt

Read the capability info of the association response message from struct
ieee80211_mgmt. This should be easier to understand and to review than
calculating the offset manually.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
v2:
 - rewrite the commit message

 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 53444cb1dba9..0a78b8bbb66a 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1348,8 +1348,7 @@ unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame
 		goto report_assoc_result;
 	}
 
-	/* get capabilities */
-	pmlmeinfo->capability = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
+	pmlmeinfo->capability = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
 
 	/* set slot time */
 	pmlmeinfo->slotTime = (pmlmeinfo->capability & BIT(10)) ? 9 : 20;
-- 
2.30.2