From patchwork Fri Mar 11 02:00:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 552193 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 5C21AC433F5 for ; Fri, 11 Mar 2022 02:01:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345527AbiCKCCC (ORCPT ); Thu, 10 Mar 2022 21:02:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235129AbiCKCCB (ORCPT ); Thu, 10 Mar 2022 21:02:01 -0500 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E79361A58CD for ; Thu, 10 Mar 2022 18:00:58 -0800 (PST) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 22B20kmR6023770, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.71/5.88) with ESMTPS id 22B20kmR6023770 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 11 Mar 2022 10:00:46 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Fri, 11 Mar 2022 10:00:46 +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 15.1.2308.21; Fri, 11 Mar 2022 10:00:45 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH] rtw89: fix uninitialized variable of rtw89_append_probe_req_ie() Date: Fri, 11 Mar 2022 10:00:07 +0800 Message-ID: <20220311020007.20414-1-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 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: 03/11/2022 01:47:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzMvMTAgpFWkyCAxMTo0?= =?big5_tw?b?ODowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36505.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 smatch reports that: fw.c:1997 rtw89_append_probe_req_ie() error: uninitialized symbol 'ret'. This can be a issue only if no band is supported by the chip, but it is impossible. So, it is still safe without this patch. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/fw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index 2fe091cc12c0e..6deaf8eec6b47 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -1964,7 +1964,7 @@ static int rtw89_append_probe_req_ie(struct rtw89_dev *rtwdev, struct ieee80211_scan_ies *ies = rtwvif->scan_ies; struct rtw89_pktofld_info *info; struct sk_buff *new; - int ret; + int ret = 0; u8 band; for (band = NL80211_BAND_2GHZ; band < NUM_NL80211_BANDS; band++) {