From patchwork Fri May 8 12:31:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 226086 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=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,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 9AE41C38A2A for ; Fri, 8 May 2020 13:21:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 70A3C206B9 for ; Fri, 8 May 2020 13:21:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588944110; bh=YOt3SrFAUM73v1SQAW95vlQCcrp2aXIPWM4dzi4UCCc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=A2xKtjVtd9NiAikivZMjXlpxQ7dZ42yXE8sq9xrCq077guNoV/ymXcYirc6u30t6q 02huehok+WNLM+x5rZC4K3ve6h/KTTPEx6/bi3YRtc84OqxC2JZhrYByJ9VgM4CK7A yNeCHhBMWuuOLzOR7nlWavN07zgG1ErbRlhQW+Oc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728639AbgEHMkC (ORCPT ); Fri, 8 May 2020 08:40:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:60966 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728635AbgEHMkB (ORCPT ); Fri, 8 May 2020 08:40:01 -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 7B7B421835; Fri, 8 May 2020 12:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588941601; bh=YOt3SrFAUM73v1SQAW95vlQCcrp2aXIPWM4dzi4UCCc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dVe4IknIrKgWjI/d3LbTaZRHSk7bsymPChnIOR8J+lNvlJXayUcAGUcS9/uE5S7ls dEECPhIORN00vRsJg0fIeq/v5aImkFDQOqRPky7jLCOD4zOq3cgZM7350ampjjKQZe eMmqm7hC/3uL0K5G66jiuiwlzimMpd2cyyH45Bvw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Florian Fainelli , Johan Hovold , "David S. Miller" Subject: [PATCH 4.4 096/312] phy: fix device reference leaks Date: Fri, 8 May 2020 14:31:27 +0200 Message-Id: <20200508123131.285141534@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200508123124.574959822@linuxfoundation.org> References: <20200508123124.574959822@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Johan Hovold commit 17ae1c650c1ecf8dc8e16d54b0f68a345965f43f upstream. Make sure to drop the reference taken by bus_find_device_by_name() before returning from phy_connect() and phy_attach(). Note that both function still take a reference to the phy device through phy_attach_direct(). Fixes: e13934563db0 ("[PATCH] PHY Layer fixup") Cc: Florian Fainelli Signed-off-by: Johan Hovold Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/phy/phy_device.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -522,6 +522,7 @@ struct phy_device *phy_connect(struct ne phydev = to_phy_device(d); rc = phy_connect_direct(dev, phydev, handler, interface); + put_device(d); if (rc) return ERR_PTR(rc); @@ -721,6 +722,7 @@ struct phy_device *phy_attach(struct net phydev = to_phy_device(d); rc = phy_attach_direct(dev, phydev, phydev->dev_flags, interface); + put_device(d); if (rc) return ERR_PTR(rc);