From patchwork Thu Dec 9 08:32:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 523034 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AC0CC433FE for ; Thu, 9 Dec 2021 08:33:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234891AbhLIIgu (ORCPT ); Thu, 9 Dec 2021 03:36:50 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:37330 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234885AbhLIIgt (ORCPT ); Thu, 9 Dec 2021 03:36:49 -0500 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 1B98XCxvC006415, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36504.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.71/5.88) with ESMTPS id 1B98XCxvC006415 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Thu, 9 Dec 2021 16:33:12 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36504.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Thu, 9 Dec 2021 16:33:12 +0800 Received: from localhost (172.21.69.188) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Thu, 9 Dec 2021 16:33:12 +0800 From: Ping-Ke Shih To: CC: , Subject: [PATCH 1/7] rtw89: coex: correct C2H header length Date: Thu, 9 Dec 2021 16:32:23 +0800 Message-ID: <20211209083229.10815-2-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211209083229.10815-1-pkshih@realtek.com> References: <20211209083229.10815-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.188] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: trusted connection X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Deterministic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 12/09/2021 08:09:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5_tw?b?Q2xlYW4sIGJhc2VzOiAyMDIxLzEyLzkgpFekyCAwNjoz?= =?big5_tw?b?MjowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36504.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 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ching-Te Ku To resolve C2H handle length mismatch, or it will parse the c2h content out of array. Signed-off-by: Ching-Te Ku Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/coex.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c index abe4b6549ab22..f220229a7a482 100644 --- a/drivers/net/wireless/realtek/rtw89/coex.c +++ b/drivers/net/wireless/realtek/rtw89/coex.c @@ -4494,6 +4494,8 @@ void rtw89_btc_c2h_handle(struct rtw89_dev *rtwdev, struct sk_buff *skb, struct rtw89_btc_btf_fwinfo *pfwinfo = &btc->fwinfo; u8 *buf = &skb->data[RTW89_C2H_HEADER_LEN]; + len -= RTW89_C2H_HEADER_LEN; + rtw89_debug(rtwdev, RTW89_DBG_BTC, "[BTC], %s(): C2H BT len:%d class:%d fun:%d\n", __func__, len, class, func);