From patchwork Mon Jul 20 09:33:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Yufen X-Patchwork-Id: 1332112 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B9G1B57gkz9sRf for ; Mon, 20 Jul 2020 19:01:18 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727798AbgGTJBL (ORCPT ); Mon, 20 Jul 2020 05:01:11 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:8334 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725815AbgGTJBL (ORCPT ); Mon, 20 Jul 2020 05:01:11 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 33C62D6F8F64A458F9B3; Mon, 20 Jul 2020 17:01:04 +0800 (CST) Received: from NRM-11.huawei.com (10.175.101.78) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.487.0; Mon, 20 Jul 2020 17:00:57 +0800 From: Wang Yufen To: , , , , , , , , CC: Wang Yufen Subject: [PATCH net-next] brcm80211: fix possible memleak in brcmf_proto_msgbuf_attach Date: Mon, 20 Jul 2020 17:33:28 +0800 Message-ID: <1595237608-66045-1-git-send-email-wangyufen@huawei.com> X-Mailer: git-send-email 1.8.3 MIME-Version: 1.0 X-Originating-IP: [10.175.101.78] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org When brcmf_proto_msgbuf_attach fail and msgbuf->txflow_wq != NULL, we should destroy the workqueue. Fixes: 05491d2ccf20 ("brcm80211: move under broadcom vendor directory") Reported-by: Hulk Robot Signed-off-by: Wang Yufen --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c index 8bb4f1f..1bb270e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c @@ -1619,6 +1619,8 @@ int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr) BRCMF_TX_IOCTL_MAX_MSG_SIZE, msgbuf->ioctbuf, msgbuf->ioctbuf_handle); + if (msgbuf->txflow_wq) + destroy_workqueue(msgbuf->txflow_wq); kfree(msgbuf); } return -ENOMEM;