From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3821C43214 for ; Thu, 26 Aug 2021 00:46:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D1176102A for ; Thu, 26 Aug 2021 00:46:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235564AbhHZArg convert rfc822-to-8bit (ORCPT ); Wed, 25 Aug 2021 20:47:36 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:46275 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232139AbhHZAre (ORCPT ); Wed, 25 Aug 2021 20:47:34 -0400 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 17Q0jtsL7003526, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36501.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.71/5.88) with ESMTPS id 17Q0jtsL7003526 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Thu, 26 Aug 2021 08:45:56 +0800 Received: from RTEXMBS01.realtek.com.tw (172.21.6.94) by RTEXH36501.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Thu, 26 Aug 2021 08:45:54 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXMBS01.realtek.com.tw (172.21.6.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Thu, 26 Aug 2021 08:45:53 +0800 Received: from RTEXMBS04.realtek.com.tw ([fe80::cdd5:82a3:e854:7098]) by RTEXMBS04.realtek.com.tw ([fe80::cdd5:82a3:e854:7098%5]) with mapi id 15.01.2106.013; Thu, 26 Aug 2021 08:45:53 +0800 From: Pkshih To: Kees Cook CC: Kalle Valo , "David S. Miller" , Jakub Kicinski , Larry Finger , Colin Ian King , Kaixu Xia , Joe Perches , "linux-wireless@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-hardening@vger.kernel.org" Subject: RE: [PATCH] rtlwifi: rtl8192de: Restore channel index initialization Thread-Topic: [PATCH] rtlwifi: rtl8192de: Restore channel index initialization Thread-Index: AQHXmd9h/5hSWDmaB0eK6ixaYO0v8quE8ftA Date: Thu, 26 Aug 2021 00:45:53 +0000 Message-ID: <0f63064fd9f4464a87d9358e874c6b84@realtek.com> References: <20210825183103.1142909-1-keescook@chromium.org> In-Reply-To: <20210825183103.1142909-1-keescook@chromium.org> Accept-Language: en-US, zh-TW Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.69.146] x-kse-serverinfo: RTEXMBS01.realtek.com.tw, 9 x-kse-attachmentfiltering-interceptor-info: no applicable attachment filtering rules found x-kse-antivirus-interceptor-info: scan successful x-kse-antivirus-info: =?us-ascii?Q?Clean,_bases:_2021/8/25_=3F=3F_08:00:00?= x-kse-bulkmessagesfiltering-scan-result: protection disabled Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-KSE-ServerInfo: RTEXH36501.realtek.com.tw, 9 X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 08/26/2021 00:30:56 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 165781 [Aug 25 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: pkshih@realtek.com X-KSE-AntiSpam-Info: LuaCore: 457 457 f9912fc467375383fbac52a53ade5bbe1c769e2a X-KSE-AntiSpam-Info: {Tracking_uf_ne_domains} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;realtek.com:7.1.1;127.0.0.199:7.1.2 X-KSE-AntiSpam-Info: Rate: 0 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 08/26/2021 00:34:00 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Kees Cook [mailto:keescook@chromium.org] > Sent: Thursday, August 26, 2021 2:31 AM > To: Pkshih > Cc: Kees Cook; Kalle Valo; David S. Miller; Jakub Kicinski; Larry Finger; Colin Ian King; Kaixu Xia; > Joe Perches; linux-wireless@vger.kernel.org; netdev@vger.kernel.org; linux-kernel@vger.kernel.org; > linux-hardening@vger.kernel.org > Subject: [PATCH] rtlwifi: rtl8192de: Restore channel index initialization > > 2G channel indexes still need "place" to be initialized, since it is > returned from this function when channel is less than 14. > > Fixes: 369956ae5720 ("rtlwifi: rtl8192de: Remove redundant variable initializations") Like the patch "rtlwifi: rtl8192de: Fix initialization of place in _rtl92c_phy_get_rightchnlplace()" you sent before, please help to correct the removal of the commit 369956ae5720. I think we can add following into this patch. --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c @@ -1363,7 +1363,7 @@ static void _rtl92d_phy_switch_rf_setting(struct ieee80211_hw *hw, u8 channel) u8 rtl92d_get_rightchnlplace_for_iqk(u8 chnl) { - u8 place = chnl; + u8 place; if (chnl > 14) { for (place = 14; place < sizeof(channel_all); place++) { > Cc: Ping-Ke Shih > Cc: Kalle Valo > Cc: "David S. Miller" > Cc: Jakub Kicinski > Cc: Larry Finger > Cc: Colin Ian King > Cc: Kaixu Xia > Cc: Joe Perches > Cc: linux-wireless@vger.kernel.org > Cc: netdev@vger.kernel.org > Signed-off-by: Kees Cook > --- > drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > index 8ae69d914312..b32fa7a75f17 100644 > --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > @@ -896,7 +896,7 @@ static void _rtl92d_ccxpower_index_check(struct ieee80211_hw *hw, > > static u8 _rtl92c_phy_get_rightchnlplace(u8 chnl) > { > - u8 place; > + u8 place = chnl; > > if (chnl > 14) { > for (place = 14; place < sizeof(channel5g); place++) { -- Ping-Ke