From patchwork Wed Dec 2 09:57:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Changzhong X-Patchwork-Id: 1409590 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 4CmDpL0ZLqz9sSf for ; Wed, 2 Dec 2020 20:54:34 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388280AbgLBJyQ (ORCPT ); Wed, 2 Dec 2020 04:54:16 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:8920 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726112AbgLBJyQ (ORCPT ); Wed, 2 Dec 2020 04:54:16 -0500 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4CmDmg5X3vz6ty0; Wed, 2 Dec 2020 17:53:07 +0800 (CST) Received: from compute.localdomain (10.175.112.70) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server (TLS) id 14.3.487.0; Wed, 2 Dec 2020 17:53:32 +0800 From: Zhang Changzhong To: , , , CC: , Subject: [PATCH net] net: pasemi: fix error return code in pasemi_mac_open() Date: Wed, 2 Dec 2020 17:57:15 +0800 Message-ID: <1606903035-1838-1-git-send-email-zhangchangzhong@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.70] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 72b05b9940f0 ("pasemi_mac: RX/TX ring management cleanup") Fixes: 8d636d8bc5ff ("pasemi_mac: jumbo frame support") Reported-by: Hulk Robot Signed-off-by: Zhang Changzhong --- drivers/net/ethernet/pasemi/pasemi_mac.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c index be66601..040a15a 100644 --- a/drivers/net/ethernet/pasemi/pasemi_mac.c +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c @@ -1078,16 +1078,20 @@ static int pasemi_mac_open(struct net_device *dev) mac->tx = pasemi_mac_setup_tx_resources(dev); - if (!mac->tx) + if (!mac->tx) { + ret = -ENOMEM; goto out_tx_ring; + } /* We might already have allocated rings in case mtu was changed * before interface was brought up. */ if (dev->mtu > 1500 && !mac->num_cs) { pasemi_mac_setup_csrings(mac); - if (!mac->num_cs) + if (!mac->num_cs) { + ret = -ENOMEM; goto out_tx_ring; + } } /* Zero out rmon counters */