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 BF913C2D0DB for ; Tue, 28 Jan 2020 14:37:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9264424687 for ; Tue, 28 Jan 2020 14:37:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580222260; bh=pfZmhNclWOdVpmT+NIxCBYUPY2XlVApOtvbptFEVmxY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=09YVrtEl8VSdQQMMOHllI6FfmNtl1sysUaPwvdWAhR+WVVpDDPL/PdJ04MAYKKqs/ 3BE1afErnosu6OYenBrBQg1Ag2X4XGHfgIUFBlsPDb3FpsbhhYv4Cgb8NyVPibg643 59RupAlxQ9ElxbaSotooaZTjiqBFTQRNC9VVvBeU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731367AbgA1Ohj (ORCPT ); Tue, 28 Jan 2020 09:37:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:44720 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730992AbgA1OUE (ORCPT ); Tue, 28 Jan 2020 09:20:04 -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 71A2E2071E; Tue, 28 Jan 2020 14:20:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580221203; bh=pfZmhNclWOdVpmT+NIxCBYUPY2XlVApOtvbptFEVmxY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1Jwmosmuj0NtmQQ/RVdwjRPlQ68caS6QYsxJfsyYz2KZUTts5nBoZntFmuwsFM3Dz zUJTioM0R29zECZO+BfVEZ9n5LBZblOmME0VN5yjjA9TDlEv1a/al4zNbXFXKNLwir 8h4cSVuAx1rui7PPYF2Sp6j3/nnde3d7x/wscbi8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arthur Kiyanovski , Sameeh Jubran , "David S. Miller" , Sasha Levin Subject: [PATCH 4.9 130/271] net: ena: fix: Free napi resources when ena_up() fails Date: Tue, 28 Jan 2020 15:04:39 +0100 Message-Id: <20200128135902.279642467@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200128135852.449088278@linuxfoundation.org> References: <20200128135852.449088278@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: Sameeh Jubran [ Upstream commit b287cdbd1cedfc9606682c6e02b58d00ff3a33ae ] ena_up() calls ena_init_napi() but does not call ena_del_napi() in case of failure. This causes a segmentation fault upon rmmod when netif_napi_del() is called. Fix this bug by calling ena_del_napi() before returning error from ena_up(). Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)") Signed-off-by: Arthur Kiyanovski Signed-off-by: Sameeh Jubran Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 961f31c8356b7..da21886609e30 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -1702,6 +1702,7 @@ err_setup_rx: err_setup_tx: ena_free_io_irq(adapter); err_req_irq: + ena_del_napi(adapter); return rc; } -- 2.20.1