From patchwork Mon Jul 20 09:36:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: wangyufen X-Patchwork-Id: 11673291 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7BB86138C for ; Mon, 20 Jul 2020 09:04:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D92822BF3 for ; Mon, 20 Jul 2020 09:04:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728099AbgGTJEJ (ORCPT ); Mon, 20 Jul 2020 05:04:09 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:7793 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726030AbgGTJEJ (ORCPT ); Mon, 20 Jul 2020 05:04:09 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id D7CC088D78A4E65EF398; Mon, 20 Jul 2020 17:04:01 +0800 (CST) Received: from NRM-11.huawei.com (10.175.101.78) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Mon, 20 Jul 2020 17:03:34 +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 17:36:05 +0800 Message-ID: <1595237765-66238-1-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: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@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;