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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 C7C2AC4CECF for ; Mon, 23 Sep 2019 15:43:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9860B20820 for ; Mon, 23 Sep 2019 15:43:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569253411; bh=ttds3Shcs38MGHzlIYyXHPzBWxdCC9mn77x2AHy99sM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=sEz+SNLPxOInH9HOQPBXq6QJANe7JAHnhsGCSaOBTn+3h1UYa99BiaUWMY7pwdnAo DS3Bhyb9h68kor0lXHRC391hBsha2JlR5p84W58ZcCdA2g8yWI4xNjApPLSlkw/0hd 3aI8ng9vOgKHaGLQccEyr3WZNtY6Jzbxhy+kgfXA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732400AbfIWPna (ORCPT ); Mon, 23 Sep 2019 11:43:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:40020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732187AbfIWPna (ORCPT ); Mon, 23 Sep 2019 11:43:30 -0400 Received: from localhost (lfbn-ncy-1-150-155.w83-194.abo.wanadoo.fr [83.194.232.155]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4203D207FD; Mon, 23 Sep 2019 15:43:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569253409; bh=ttds3Shcs38MGHzlIYyXHPzBWxdCC9mn77x2AHy99sM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=QucP4TY8c18+RG9iGSl8HbISn3okju7W2vK+jgQmLgcYQ4c3SsPmQ/rF7nnG7hrPT JPG+HR2aRdsU/2nPY+82pS4POD8Qvc6RGlo3bE02sIs4rdA2GmD4+0kiLE0to+U1dL v9sriNDiZfgNkaOFsEX/YuKBOHnc2lqMlbusg0PI= Date: Mon, 23 Sep 2019 17:43:26 +0200 From: Frederic Weisbecker To: Thomas Gleixner Cc: LKML , Frederic Weisbecker , Peter Zijlstra , Ingo Molnar , Oleg Nesterov , Michael Kerrisk , Kees Cook Subject: Re: [patch V2 5/6] posix-cpu-timers: Return PTR_ERR() from lookup_task() Message-ID: <20190923154325.GA11264@lenoir> References: <20190923145435.507024424@linutronix.de> <20190923145528.856703803@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190923145528.856703803@linutronix.de> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 23, 2019 at 04:54:40PM +0200, Thomas Gleixner wrote: > To prepare for changing the return code to -EPERM when the ptrace > permission check fails, use PTR_ERR() to return the error information from > lookup_task() and fixup all call sites. > > Signed-off-by: Thomas Gleixner Reviewed-by: Frederic Weisbecker