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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 74FC5C4360F for ; Thu, 4 Apr 2019 09:49:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 440272075E for ; Thu, 4 Apr 2019 09:49:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554371383; bh=QW27j4wY/KJ5qO07GV9Ks3geGiP46WQzXVg/4h4lM2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FQkiwzzU4Zj/xG6IV4kY0Km9rbalVIEJmKAdreZXMh/tZmafknjgPl6R8ENBuKAEF K+ZogIXx/Yx5ulGaclHN9j1Rjvz0JFM4K4JwjGVhMKVrJjd5S9yP1Pw7VSMibqQe+6 q/mZ/C0g4SjZn7E6IUuagBYlnaNtVwtiP5uomcJI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730027AbfDDI4V (ORCPT ); Thu, 4 Apr 2019 04:56:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:59576 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730446AbfDDI4S (ORCPT ); Thu, 4 Apr 2019 04:56:18 -0400 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 69B2D20693; Thu, 4 Apr 2019 08:56:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554368176; bh=QW27j4wY/KJ5qO07GV9Ks3geGiP46WQzXVg/4h4lM2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H8hbdKGCamKdfzCY7UJ4QAd8kJt1Gjt7EqLtgQe+swaUKs2A9tGRCNXI8QQtYu5iy 2GsPZTbDImHL264fTeuUagY9qpfa0p8gMM/k7MxQyswJQ21buAAS4x61UKIdkbnWjo 7Sv8TQtyOjUL/TgLEkux6ZC/Iwu2MQbM0o7L26ss= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Florian Fainelli , "David S. Miller" , Sasha Levin Subject: [PATCH 4.14 049/121] e1000e: Fix -Wformat-truncation warnings Date: Thu, 4 Apr 2019 10:47:17 +0200 Message-Id: <20190404084547.917466158@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190404084545.245659903@linuxfoundation.org> References: <20190404084545.245659903@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 135e7245479addc6b1f5d031e3d7e2ddb3d2b109 ] Provide precision hints to snprintf() since we know the destination buffer size of the RX/TX ring names are IFNAMSIZ + 5 - 1. This fixes the following warnings: drivers/net/ethernet/intel/e1000e/netdev.c: In function 'e1000_request_msix': drivers/net/ethernet/intel/e1000e/netdev.c:2109:13: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=] "%s-rx-0", netdev->name); ^ drivers/net/ethernet/intel/e1000e/netdev.c:2107:3: note: 'snprintf' output between 6 and 21 bytes into a destination of size 20 snprintf(adapter->rx_ring->name, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(adapter->rx_ring->name) - 1, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "%s-rx-0", netdev->name); ~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/intel/e1000e/netdev.c:2125:13: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=] "%s-tx-0", netdev->name); ^ drivers/net/ethernet/intel/e1000e/netdev.c:2123:3: note: 'snprintf' output between 6 and 21 bytes into a destination of size 20 snprintf(adapter->tx_ring->name, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(adapter->tx_ring->name) - 1, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "%s-tx-0", netdev->name); ~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Florian Fainelli Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/e1000e/netdev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index a25dc581a903..5c364321d3c6 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -2120,7 +2120,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter) if (strlen(netdev->name) < (IFNAMSIZ - 5)) snprintf(adapter->rx_ring->name, sizeof(adapter->rx_ring->name) - 1, - "%s-rx-0", netdev->name); + "%.14s-rx-0", netdev->name); else memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ); err = request_irq(adapter->msix_entries[vector].vector, @@ -2136,7 +2136,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter) if (strlen(netdev->name) < (IFNAMSIZ - 5)) snprintf(adapter->tx_ring->name, sizeof(adapter->tx_ring->name) - 1, - "%s-tx-0", netdev->name); + "%.14s-tx-0", netdev->name); else memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ); err = request_irq(adapter->msix_entries[vector].vector, -- 2.19.1