From patchwork Fri Mar 1 13:39:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Smirnov X-Patchwork-Id: 13578481 Received: from mx01.omp.ru (mx01.omp.ru [90.154.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5E1376EB6B; Fri, 1 Mar 2024 13:39:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.154.21.10 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709300394; cv=none; b=pj6DGNAJnpHsiIGG/xw4+5EBvHrO2nFz90CMVlO9wEjU6cgP1H6tBWjBaLAnEnhLm9BBNo6tyVXhTAR+znVjLIny5GSFTNavdRGj0GeEmRWBESMWu9JVzKZpfb6Z8I7AmEyvMTAsI1Qfc3SiR1H/qD4E6MQTX1kTH4UTVqPyooA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709300394; c=relaxed/simple; bh=V2rng/KDEPN7OaZoxlqZdAX9L9wicAGD3trWoJMgFDc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NB1UbnczrKXcCyhos3W7RdenUAiTG2/TX64lWR1b4rJMhsTObrsSrk1iUG34cGFejtAorcXmFLEQO4qurB6xExmOAFt2d/WvU+blMh+lNmJgb+D1aoxDPPTiFoq9OWTlKhryXg6HfHD4W/i3s2Tbt6f42r6G9yd4xDw54Gwj6Hs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=omp.ru; spf=pass smtp.mailfrom=omp.ru; arc=none smtp.client-ip=90.154.21.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=omp.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=omp.ru Received: from r.smirnovsmtp.omp.ru (10.189.215.22) by msexch01.omp.ru (10.188.4.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1258.12; Fri, 1 Mar 2024 16:39:35 +0300 From: Roman Smirnov To: Marcel Holtmann CC: Roman Smirnov , Johan Hedberg , Luiz Augusto von Dentz , Sergey Shtylyov , , , Subject: [PATCH v2 2/2] Bluetooth: mgmt: remove NULL check in add_ext_adv_params_complete() Date: Fri, 1 Mar 2024 13:39:16 +0000 Message-ID: <20240301133916.1268403-3-r.smirnov@omp.ru> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240301133916.1268403-1-r.smirnov@omp.ru> References: <20240301133916.1268403-1-r.smirnov@omp.ru> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: msexch01.omp.ru (10.188.4.12) To msexch01.omp.ru (10.188.4.12) X-KSE-ServerInfo: msexch01.omp.ru, 9 X-KSE-AntiSpam-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 6.1.0, Database issued on: 03/01/2024 13:19:36 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 183893 [Mar 01 2024] X-KSE-AntiSpam-Info: Version: 6.1.0.3 X-KSE-AntiSpam-Info: Envelope from: r.smirnov@omp.ru X-KSE-AntiSpam-Info: LuaCore: 7 0.3.7 6d6bf5bd8eea7373134f756a2fd73e9456bb7d1a X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: 127.0.0.199:7.1.2;omp.ru:7.1.1;r.smirnovsmtp.omp.ru:7.1.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1 X-KSE-AntiSpam-Info: FromAlignment: s 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: 03/01/2024 13:26:00 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 3/1/2024 10:14:00 AM X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit Remove the cmd pointer NULL check in add_ext_adv_params_complete() because it occurs earlier in add_ext_adv_params(). This check is also unnecessary because the pointer is dereferenced just before it. Found by Linux Verification Center (linuxtesting.org) with Svace. Signed-off-by: Roman Smirnov Reviewed-by: Sergey Shtylyov --- net/bluetooth/mgmt.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index cd8c4e094c55..b48d2d974263 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -8826,8 +8826,7 @@ static void add_ext_adv_params_complete(struct hci_dev *hdev, void *data, } unlock: - if (cmd) - mgmt_pending_free(cmd); + mgmt_pending_free(cmd); hci_dev_unlock(hdev); }