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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 582AAC433F5 for ; Mon, 24 Jan 2022 20:53:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442064AbiAXUwn (ORCPT ); Mon, 24 Jan 2022 15:52:43 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:47042 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352771AbiAXUsl (ORCPT ); Mon, 24 Jan 2022 15:48:41 -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 9915BB8121C; Mon, 24 Jan 2022 20:48:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C6A29C340E5; Mon, 24 Jan 2022 20:48:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643057319; bh=ERIRbiS2BMbugiSm61yle9p3BfoYk6EPM0wTY4DVKkc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hH+UoEJUzjlM56j84aA5C3LfKnpfgHgQARlkY40KWrR5ZlAPb9xylI4Fb/JKslcGt a+BjNLFnwG+ug0rUtd94wBfv1vsfQhQBsWPjRbc4tkwVHVvdbitR3y5pyLa2Vs5tkg ijEz3KMDO9y7MLGVillw6A8IJ2jpbyKohKJ/DvMw= 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 5.15 773/846] net/fsl: xgmac_mdio: Fix incorrect iounmap when removing module Date: Mon, 24 Jan 2022 19:44:50 +0100 Message-Id: <20220124184127.630868391@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184100.867127425@linuxfoundation.org> References: <20220124184100.867127425@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 @@ -332,9 +332,10 @@ 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;