linux-kernel - [PATCH 5/5] staging: r8188eu: assoc_rsp and assoc_rsp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20220515155401.352742-6-martin@kaiser.cx>
Date:   Sun, 15 May 2022 17:54:01 +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 5/5] staging: r8188eu: assoc_rsp and assoc_rsp_len are not used

The assoc_rsp buffer in struct mlme_priv is not used. There's no need to
store an incoming association response after receiving an processing it.

Remove the buffer pointer and its length from struct mlme_priv.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_mlme.c     | 1 -
 drivers/staging/r8188eu/core/rtw_mlme_ext.c | 6 ------
 drivers/staging/r8188eu/include/rtw_mlme.h  | 2 --
 3 files changed, 9 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme.c b/drivers/staging/r8188eu/core/rtw_mlme.c
index c44e636d2c05..5a815642c3f6 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme.c
@@ -40,7 +40,6 @@ static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
 {
 	kfree(pmlmepriv->assoc_req);
-	kfree(pmlmepriv->assoc_rsp);
 	rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
 	rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
 	rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 65330baa5a73..faf23fc950c5 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1272,7 +1272,6 @@ unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame
 	int res;
 	unsigned short	status;
 	struct ndis_802_11_var_ie *pIE;
-	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
 	/* struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); */
@@ -1343,11 +1342,6 @@ unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame
 	UpdateBrateTbl(padapter, pmlmeinfo->network.SupportedRates);
 
 report_assoc_result:
-	if (res > 0)
-		rtw_buf_update(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len, pframe, pkt_len);
-	else
-		kfree(pmlmepriv->assoc_rsp);
-
 	report_join_res(padapter, res);
 
 	return _SUCCESS;
diff --git a/drivers/staging/r8188eu/include/rtw_mlme.h b/drivers/staging/r8188eu/include/rtw_mlme.h
index 95c23bf1139d..d81668498e46 100644
--- a/drivers/staging/r8188eu/include/rtw_mlme.h
+++ b/drivers/staging/r8188eu/include/rtw_mlme.h
@@ -363,8 +363,6 @@ struct mlme_priv {
 
 	u8 *assoc_req;
 	u32 assoc_req_len;
-	u8 *assoc_rsp;
-	u32 assoc_rsp_len;
 
 	/* Number of associated Non-ERP stations (i.e., stations using 802.11b
 	 * in 802.11g BSS) */
-- 
2.30.2