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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 8C277C7618B for ; Wed, 24 Jul 2019 15:33:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F15E21951 for ; Wed, 24 Jul 2019 15:33:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387520AbfGXPdA (ORCPT ); Wed, 24 Jul 2019 11:33:00 -0400 Received: from mx2.suse.de ([195.135.220.15]:55834 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727589AbfGXPdA (ORCPT ); Wed, 24 Jul 2019 11:33:00 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 228B4B0E2; Wed, 24 Jul 2019 15:32:58 +0000 (UTC) From: Andreas Schwab To: netdev@vger.kernel.org Subject: [PATCH] net: phy: mscc: initialize stats array CC: Andrew Lunn , Florian Fainelli , Heiner Kallweit , "David S. Miller" , linux-kernel@vger.kernel.org X-Yow: I wonder if there's anything GOOD on tonight? Date: Wed, 24 Jul 2019 17:32:57 +0200 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The memory allocated for the stats array may contain arbitrary data. Signed-off-by: Andreas Schwab --- drivers/net/phy/mscc.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c index 28676af97b42..645d354ffb48 100644 --- a/drivers/net/phy/mscc.c +++ b/drivers/net/phy/mscc.c @@ -2226,8 +2226,8 @@ static int vsc8514_probe(struct phy_device *phydev) vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES; vsc8531->hw_stats = vsc85xx_hw_stats; vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats); - vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats, - sizeof(u64), GFP_KERNEL); + vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats, + sizeof(u64), GFP_KERNEL); if (!vsc8531->stats) return -ENOMEM; @@ -2251,8 +2251,8 @@ static int vsc8574_probe(struct phy_device *phydev) vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES; vsc8531->hw_stats = vsc8584_hw_stats; vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats); - vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats, - sizeof(u64), GFP_KERNEL); + vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats, + sizeof(u64), GFP_KERNEL); if (!vsc8531->stats) return -ENOMEM; @@ -2281,8 +2281,8 @@ static int vsc8584_probe(struct phy_device *phydev) vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES; vsc8531->hw_stats = vsc8584_hw_stats; vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats); - vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats, - sizeof(u64), GFP_KERNEL); + vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats, + sizeof(u64), GFP_KERNEL); if (!vsc8531->stats) return -ENOMEM; @@ -2311,8 +2311,8 @@ static int vsc85xx_probe(struct phy_device *phydev) vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES; vsc8531->hw_stats = vsc85xx_hw_stats; vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats); - vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats, - sizeof(u64), GFP_KERNEL); + vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats, + sizeof(u64), GFP_KERNEL); if (!vsc8531->stats) return -ENOMEM; -- 2.22.0 -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."