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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 848B5C43331 for ; Mon, 11 Nov 2019 18:31:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5157721655 for ; Mon, 11 Nov 2019 18:31:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573497092; bh=xr/Dd1JcudKThJha1471Fr+uThR/E6hFHmTW6eILGXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HloEAr+HqudyIipcR9GEhTgG5ctxYxZwLmYVzMBU94BdtlijLyYGKEko/XB95J2h4 eDA2DdGTWl0g4fzYYIp8mdotddJWRFfrnNujGhiGhw+3CCllyqaZ0mg9BEHtMpvd0h 1BHxPlAK63rLEwfpANTWMHCqUo/kyY/+9je/pNJI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727677AbfKKSbb (ORCPT ); Mon, 11 Nov 2019 13:31:31 -0500 Received: from mail.kernel.org ([198.145.29.99]:48042 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727654AbfKKSb2 (ORCPT ); Mon, 11 Nov 2019 13:31:28 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4060421783; Mon, 11 Nov 2019 18:31:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573497087; bh=xr/Dd1JcudKThJha1471Fr+uThR/E6hFHmTW6eILGXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FpaoU3vmyJR6Tzlk3DnP/J+ptqwpJv1jMslmrMN/0ZJEPpo8btmu0PO+Bb4kLZz5b nGdZmSY7mcZIbnCWHn39OE96GOVmrfO7R2vgdaT9hwSgU0W7ndtbsqw770fflyQTGc 9wohTqRjGDFYO+v8PCjyPc8Sbj6R/zoPV9quf350= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wenwen Wang , Aaron Brown , Jeff Kirsher , Sasha Levin Subject: [PATCH 4.4 40/43] e1000: fix memory leaks Date: Mon, 11 Nov 2019 19:28:54 +0100 Message-Id: <20191111181328.008691412@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191111181246.772983347@linuxfoundation.org> References: <20191111181246.772983347@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wenwen Wang [ Upstream commit 8472ba62154058b64ebb83d5f57259a352d28697 ] In e1000_set_ringparam(), 'tx_old' and 'rx_old' are not deallocated if e1000_up() fails, leading to memory leaks. Refactor the code to fix this issue. Signed-off-by: Wenwen Wang Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/e1000/e1000_ethtool.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c index d70b2e5d52228..cbb0bdf851770 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c +++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c @@ -628,6 +628,7 @@ static int e1000_set_ringparam(struct net_device *netdev, for (i = 0; i < adapter->num_rx_queues; i++) rxdr[i].count = rxdr->count; + err = 0; if (netif_running(adapter->netdev)) { /* Try to get new resources before deleting old */ err = e1000_setup_all_rx_resources(adapter); @@ -648,14 +649,13 @@ static int e1000_set_ringparam(struct net_device *netdev, adapter->rx_ring = rxdr; adapter->tx_ring = txdr; err = e1000_up(adapter); - if (err) - goto err_setup; } kfree(tx_old); kfree(rx_old); clear_bit(__E1000_RESETTING, &adapter->flags); - return 0; + return err; + err_setup_tx: e1000_free_all_rx_resources(adapter); err_setup_rx: @@ -667,7 +667,6 @@ err_alloc_rx: err_alloc_tx: if (netif_running(adapter->netdev)) e1000_up(adapter); -err_setup: clear_bit(__E1000_RESETTING, &adapter->flags); return err; } -- 2.20.1