From patchwork Mon Mar 29 07:57:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 412602 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 AC90CC433E8 for ; Mon, 29 Mar 2021 08:24:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EC7B619EA for ; Mon, 29 Mar 2021 08:24:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232131AbhC2IYU (ORCPT ); Mon, 29 Mar 2021 04:24:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:50596 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232410AbhC2IHN (ORCPT ); Mon, 29 Mar 2021 04:07:13 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A7F736197C; Mon, 29 Mar 2021 08:07:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617005233; bh=Jb7J8ybGRwKaJZxg5YiVhsYyJlD8UuxxVDlBolx7tHo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H9vI0ZdWlZynwSrXHGbfvBG8axfNa7U89UXJ8LkQaw6tRlfCC+BNYPTmD7IIUp1jR XgH5f8xKV+sJwAUBSp3fcbCDIkpYEsZZrEi849KhUPFxnD4Il6nO7+6/Sm1UNJvYHm hkGAfVkkJAoTTew3ID2Wp8cSniDfa8A+ZExe+VFs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, TOTE Robot , Jia-Ju Bai , "David S. Miller" , Sasha Levin Subject: [PATCH 4.19 13/72] net: hisilicon: hns: fix error return code of hns_nic_clear_all_rx_fetch() Date: Mon, 29 Mar 2021 09:57:49 +0200 Message-Id: <20210329075610.714005918@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210329075610.300795746@linuxfoundation.org> References: <20210329075610.300795746@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jia-Ju Bai [ Upstream commit 143c253f42bad20357e7e4432087aca747c43384 ] When hns_assemble_skb() returns NULL to skb, no error return code of hns_nic_clear_all_rx_fetch() is assigned. To fix this bug, ret is assigned with -ENOMEM in this case. Reported-by: TOTE Robot Signed-off-by: Jia-Ju Bai Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns/hns_enet.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 4de65a9de0a6..b7fe3e849872 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -1677,8 +1677,10 @@ static int hns_nic_clear_all_rx_fetch(struct net_device *ndev) for (j = 0; j < fetch_num; j++) { /* alloc one skb and init */ skb = hns_assemble_skb(ndev); - if (!skb) + if (!skb) { + ret = -ENOMEM; goto out; + } rd = &tx_ring_data(priv, skb->queue_mapping); hns_nic_net_xmit_hw(ndev, skb, rd);