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 A6F05C433F5 for ; Tue, 29 Mar 2022 01:03:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229529AbiC2BEu (ORCPT ); Mon, 28 Mar 2022 21:04:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229468AbiC2BEt (ORCPT ); Mon, 28 Mar 2022 21:04:49 -0400 Received: from vps0.lunn.ch (vps0.lunn.ch [185.16.172.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10A7423FF3E; Mon, 28 Mar 2022 18:03:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=37hzCSIvKGbXFplPDb1/ys0jyRxiUWlgsZrjWpWDyNI=; b=MZnRhKz4gyBTAHWjjd7Fi5ILTN rPFOKDE8YKQ8WYHuDrfWcs2Km2QrOXh4Mte2QMlyH3Slx9U3jyF7vxSj7p84j/2N19BUlWJky/6gC rhpgClEWn5PIpHjYKWQHzYCxEHJ9cE6R/ZxTvclTHGiHEvCcwWanxkSqOuUk1yGBXR2k=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1nZ0G4-00D5dA-6I; Tue, 29 Mar 2022 03:02:52 +0200 Date: Tue, 29 Mar 2022 03:02:52 +0200 From: Andrew Lunn To: Michael Walle Cc: Horatiu Vultur , "David S . Miller" , Jakub Kicinski , Paolo Abeni , UNGLinuxDriver@microchip.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 net] net: lan966x: fix kernel oops on ioctl when I/F is down Message-ID: References: <20220328220350.3118969-1-michael@walle.cc> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220328220350.3118969-1-michael@walle.cc> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Mar 29, 2022 at 12:03:50AM +0200, Michael Walle wrote: > ioctls handled by phy_mii_ioctl() will cause a kernel oops when the > interface is down. Fix it by making sure there is a PHY attached. > > Fixes: 735fec995b21 ("net: lan966x: Implement SIOCSHWTSTAMP and SIOCGHWTSTAMP") > Signed-off-by: Michael Walle Reviewed-by: Andrew Lunn Andrew