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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 1C1B9C2D0CE for ; Tue, 21 Jan 2020 23:33:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F109A2465A for ; Tue, 21 Jan 2020 23:32:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726761AbgAUXcz (ORCPT ); Tue, 21 Jan 2020 18:32:55 -0500 Received: from www62.your-server.de ([213.133.104.62]:40826 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725933AbgAUXcz (ORCPT ); Tue, 21 Jan 2020 18:32:55 -0500 Received: from sslproxy05.your-server.de ([78.46.172.2]) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1iu30v-00035F-O3; Wed, 22 Jan 2020 00:32:53 +0100 Received: from [178.197.248.28] (helo=pc-9.home) by sslproxy05.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iu30v-000KVM-HO; Wed, 22 Jan 2020 00:32:53 +0100 Subject: Re: [PATCH][bpf] don't bother with getname/kern_path - use user_path_at To: Al Viro Cc: linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200120232858.GF8904@ZenIV.linux.org.uk> From: Daniel Borkmann Message-ID: <16c6b94e-81cb-0b93-d1a5-db72768b0048@iogearbox.net> Date: Wed, 22 Jan 2020 00:32:53 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20200120232858.GF8904@ZenIV.linux.org.uk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.101.4/25702/Tue Jan 21 12:39:19 2020) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 1/21/20 12:28 AM, Al Viro wrote: > kernel/bpf/inode.c misuses kern_path...() - it's much simpler > (and more efficient, on top of that) to use user_path...() counterparts > rather than bothering with doing getname() manually. > > Signed-off-by: Al Viro Looks good, applied, thanks!