From patchwork Mon Jan 24 18:43:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 536352 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC0D9C433EF for ; Mon, 24 Jan 2022 19:02:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345168AbiAXTCt (ORCPT ); Mon, 24 Jan 2022 14:02:49 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:57212 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345644AbiAXTAr (ORCPT ); Mon, 24 Jan 2022 14:00:47 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 6269BB81229; Mon, 24 Jan 2022 19:00:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 907AAC340E5; Mon, 24 Jan 2022 19:00:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643050845; bh=SkxgkeQKtRzsXP4qhrbvLWmh+8iL7PKLaOqj4Z1DGOc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZpMdSy/SpIjTtP0dOW81bGT65ATdcNLUyrqq7CuFS5nAYIxB2f2LVIW52ZKDRrbg8 hOfZt2UZD3XHxmJW5DnlZytwEKVR7tNIV72l6bG8QJRWxiagrO+uDBAp6UABJjOs9o kLhqpd105EKImXUH7nzIjyHrsOfuEzPDnKZ3X0hI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tobias Waldekranz , Andrew Lunn , Jakub Kicinski Subject: [PATCH 4.9 131/157] net/fsl: xgmac_mdio: Fix incorrect iounmap when removing module Date: Mon, 24 Jan 2022 19:43:41 +0100 Message-Id: <20220124183936.938138098@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124183932.787526760@linuxfoundation.org> References: <20220124183932.787526760@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tobias Waldekranz commit 3f7c239c7844d2044ed399399d97a5f1c6008e1b upstream. As reported by sparse: In the remove path, the driver would attempt to unmap its own priv pointer - instead of the io memory that it mapped in probe. Fixes: 9f35a7342cff ("net/fsl: introduce Freescale 10G MDIO driver") Signed-off-by: Tobias Waldekranz Reviewed-by: Andrew Lunn Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/freescale/xgmac_mdio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/freescale/xgmac_mdio.c +++ b/drivers/net/ethernet/freescale/xgmac_mdio.c @@ -301,9 +301,10 @@ err_ioremap: static int xgmac_mdio_remove(struct platform_device *pdev) { struct mii_bus *bus = platform_get_drvdata(pdev); + struct mdio_fsl_priv *priv = bus->priv; mdiobus_unregister(bus); - iounmap(bus->priv); + iounmap(priv->mdio_base); mdiobus_free(bus); return 0;