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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham 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 043AEC282C4 for ; Sat, 9 Feb 2019 17:35:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD95A20823 for ; Sat, 9 Feb 2019 17:35:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727970AbfBIRfw (ORCPT ); Sat, 9 Feb 2019 12:35:52 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:47074 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727871AbfBIRfw (ORCPT ); Sat, 9 Feb 2019 12:35:52 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::bf5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 18BE314AE8490; Sat, 9 Feb 2019 09:35:52 -0800 (PST) Date: Sat, 09 Feb 2019 09:35:51 -0800 (PST) Message-Id: <20190209.093551.1941095439637753471.davem@davemloft.net> To: tuba@ece.ufl.edu Cc: netdev@vger.kernel.org Subject: Re: [PATCH] net: hso: do not unregister if not registered From: David Miller In-Reply-To: <89a423a522834affadda4aaf7ab4d333@exmbxprd18.ad.ufl.edu> References: <89a423a522834affadda4aaf7ab4d333@exmbxprd18.ad.ufl.edu> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sat, 09 Feb 2019 09:35:52 -0800 (PST) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: "Yavuz, Tuba" Date: Sat, 9 Feb 2019 16:24:20 +0000 > > > On an error path inside the hso_create_net_device function of the hso > driver, hso_free_net_device gets called. This causes potentially a > negative reference count in the net device if register_netdev has not > been called yet as hso_free_net_device calls unregister_netdev > regardless. I think the driver should distinguish these cases and call > unregister_netdev only if register_netdev has been called. > > Signed-off-by: Tuba Yavuz Your patch is still corrupted. Email this patch to yourself and try to apply it to a source tree. You will see that it won't work. Please do not post this patch again until you have fixed this problem and have also successfully applied a patch you have test emailed to yourself. Thanks.