From patchwork Tue Dec 6 10:30:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuan Can X-Patchwork-Id: 13065643 X-Patchwork-Delegate: kuba@kernel.org 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 397A7C352A1 for ; Tue, 6 Dec 2022 10:33:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233909AbiLFKdB (ORCPT ); Tue, 6 Dec 2022 05:33:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233206AbiLFKc7 (ORCPT ); Tue, 6 Dec 2022 05:32:59 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BD6863AA for ; Tue, 6 Dec 2022 02:32:58 -0800 (PST) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NRGtv6F8MzmWJy; Tue, 6 Dec 2022 18:32:07 +0800 (CST) Received: from huawei.com (10.175.112.208) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 6 Dec 2022 18:32:55 +0800 From: Yuan Can To: , , , , , , , , , CC: Subject: [PATCH net] drivers: net: qlcnic: Fix potential memory leak in qlcnic_sriov_init() Date: Tue, 6 Dec 2022 10:30:31 +0000 Message-ID: <20221206103031.20609-1-yuancan@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.208] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpeml500024.china.huawei.com (7.185.36.10) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org If vp alloc failed in qlcnic_sriov_init(), all previously allocated vp needs to be freed. Fixes: f197a7aa6288 ("qlcnic: VF-PF communication channel implementation") Signed-off-by: Yuan Can --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 9282321c2e7f..d0470c62e1b2 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -222,6 +222,8 @@ int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) qlcnic_destroy_async_wq: destroy_workqueue(bc->bc_async_wq); + while (i--) + kfree(sriov->vf_info[i].vp); qlcnic_destroy_trans_wq: destroy_workqueue(bc->bc_trans_wq);