From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752754AbdIBQQj (ORCPT ); Sat, 2 Sep 2017 12:16:39 -0400 Received: from vps0.lunn.ch ([178.209.37.122]:54485 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752697AbdIBQQi (ORCPT ); Sat, 2 Sep 2017 12:16:38 -0400 Date: Sat, 2 Sep 2017 18:16:36 +0200 From: Andrew Lunn To: Florian Fainelli Cc: netdev@vger.kernel.org, Vivien Didelot , open list Subject: Re: [PATCH net] net: dsa: loop: Do not unregister invalid fixed PHY Message-ID: <20170902161636.GA5463@lunn.ch> References: <20170902155645.19071-1-f.fainelli@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170902155645.19071-1-f.fainelli@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Sep 02, 2017 at 08:56:45AM -0700, Florian Fainelli wrote: > During error injection it was possible to crash in dsa_loop_exit() because of > an attempt to unregister an invalid PHY. We actually want to the driver probing > in dsa_loop_init() even though fixed_phy_register() may return an error to > exercise how DSA deals with such cases, but we should not be crashing during > driver removal. > > Fixes: 98cd1552ea27 ("net: dsa: Mock-up driver") > Signed-off-by: Florian Fainelli Reviewed-by: Andrew Lunn Andrew