From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from pandora.arm.linux.org.uk (pandora.arm.linux.org.uk [IPv6:2001:4d48:ad52:3201:214:fdff:fe10:1be6]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 7D8601A2CA7 for ; Fri, 18 Sep 2015 19:48:29 +1000 (AEST) In-Reply-To: <20150918094625.GB21084@n2100.arm.linux.org.uk> References: <20150918094625.GB21084@n2100.arm.linux.org.uk> From: Russell King To: Florian Fainelli Cc: devicetree@vger.kernel.org,Frank Rowand ,Grant Likely ,Iyappan Subramanian ,Keyur Chudgar ,linux-arm-kernel@lists.infradead.org,linuxppc-dev@lists.ozlabs.org,Li Yang ,Michal Simek ,netdev@vger.kernel.org,Robert Richter ,Rob Herring ,"Sören Brinkmann" ,Sunil Goutham ,Thomas Petazzoni ,linux-kernel@vger.kernel.org Subject: [PATCH 6/7] phy: fixed-phy: properly validate phy in fixed_phy_update_state() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Message-Id: Sender: Russell King Date: Fri, 18 Sep 2015 10:47:40 +0100 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Validate that the phy_device passed into fixed_phy_update_state() is a fixed-phy device before walking the list of phys for a fixed phy at the same address. Signed-off-by: Russell King --- drivers/net/phy/fixed_phy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index fb1299c6326e..e23bf5b90e17 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -220,7 +220,7 @@ int fixed_phy_update_state(struct phy_device *phydev, struct fixed_mdio_bus *fmb = &platform_fmb; struct fixed_phy *fp; - if (!phydev || !phydev->bus) + if (!phydev || phydev->bus != fmb->mii_bus) return -EINVAL; list_for_each_entry(fp, &fmb->phys, node) { -- 2.1.0