Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756560AbbHZUg0 (ORCPT ); Wed, 26 Aug 2015 16:36:26 -0400 Received: from smtprelay0031.hostedemail.com ([216.40.44.31]:52728 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752563AbbHZUgZ (ORCPT ); Wed, 26 Aug 2015 16:36:25 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::::::::::::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1538:1593:1594:1711:1714:1730:1747:1777:1792:2393:2553:2559:2562:2689:2693:3138:3139:3140:3141:3142:3350:3622:3865:3866:3867:3871:3872:3873:3874:5007:6261:6742:7514:7875:8526:10004:10400:10471:10848:10967:11232:11658:11914:12517:12519:12740:13069:13255:13311:13357:21080:21212,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: sugar26_37ad3c3d68700 X-Filterd-Recvd-Size: 2408 Date: Wed, 26 Aug 2015 16:36:21 -0400 From: Steven Rostedt To: Sean Fu Cc: Austin S Hemmelgarn , "Eric W. Biederman" , Andrey Ryabinin , Ulrich Obergfell , Prarit Bhargava , Eric B Munson , "Paul E. McKenney" , Johannes Weiner , Andrew Morton , Thomas Gleixner , Don Zickus , Heinrich Schuchardt , David Rientjes , linux-kernel@vger.kernel.org Subject: Re: [PATCH] kernel/sysctl.c: If "count" including the terminating byte '\0' the write system call should retrun success. Message-ID: <20150826163621.28d7990a@gandalf.local.home> In-Reply-To: References: <20150824125902.4ba11ec6@gandalf.local.home> <9CF68C3D-499C-4AFC-B890-BA5ECA284347@xmission.com> <20150825101507.4e3be4ca@gandalf.local.home> <55DCA705.8000903@gmail.com> <20150825150536.546a73e5@gandalf.local.home> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.28; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 698 Lines: 18 On Wed, 26 Aug 2015 23:48:01 +0800 Sean Fu wrote: > > Defending the patch, I can't imagine any user space code expecting the > > current behavior. The current behavior is that if you write "1\0" it > > will error out instead of accepting the "1". I can't come up with a > > scenario that would require userspace to expect "1\0" to fail. Can you? > Thanks Although, with the current patch, would "1\02" fail? It should. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/