From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E104EC43387 for ; Tue, 18 Dec 2018 11:02:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BA26C217D9 for ; Tue, 18 Dec 2018 11:02:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726847AbeLRLC5 (ORCPT ); Tue, 18 Dec 2018 06:02:57 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:38231 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726589AbeLRLCJ (ORCPT ); Tue, 18 Dec 2018 06:02:09 -0500 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id F2DC128B437EB; Tue, 18 Dec 2018 19:02:03 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.408.0; Tue, 18 Dec 2018 19:01:56 +0800 From: Peng Li To: CC: , , , , , Subject: [PATCH net-next 01/12] net: hns3: fix error handling int the hns3_get_vector_ring_chain Date: Tue, 18 Dec 2018 19:37:48 +0800 Message-ID: <1545133079-79605-2-git-send-email-lipeng321@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1545133079-79605-1-git-send-email-lipeng321@huawei.com> References: <1545133079-79605-1-git-send-email-lipeng321@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Huazhong Tan When hns3_get_vector_ring_chain() failed in the hns3_nic_init_vector_data(), it should do the error handling instead of return directly. Also, cur_chain should be freed instead of chain and head->next should be set to NULL in error handling of hns3_get_vector_ring_chain. This patch fixes them. Fixes: 73b907a083b8 ("net: hns3: bugfix for buffer not free problem during resetting") Signed-off-by: Huazhong Tan Signed-off-by: Peng Li --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 69142a3..2081e2e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2993,9 +2993,10 @@ static int hns3_get_vector_ring_chain(struct hns3_enet_tqp_vector *tqp_vector, cur_chain = head->next; while (cur_chain) { chain = cur_chain->next; - devm_kfree(&pdev->dev, chain); + devm_kfree(&pdev->dev, cur_chain); cur_chain = chain; } + head->next = NULL; return -ENOMEM; } @@ -3086,7 +3087,7 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv) ret = hns3_get_vector_ring_chain(tqp_vector, &vector_ring_chain); if (ret) - return ret; + goto map_ring_fail; ret = h->ae_algo->ops->map_ring_to_vector(h, tqp_vector->vector_irq, &vector_ring_chain); -- 1.9.1