From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754009AbdIGGqj (ORCPT ); Thu, 7 Sep 2017 02:46:39 -0400 Received: from smtprelay0026.hostedemail.com ([216.40.44.26]:59828 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753062AbdIGGqi (ORCPT ); Thu, 7 Sep 2017 02:46:38 -0400 X-Session-Marker: 6A6F6540706572636865732E636F6D X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,joe@perches.com,:::::,RULES_HIT:41:355:379:541:599:988:989:1260:1277:1311:1313:1314:1345:1359:1373:1437:1515:1516:1518:1534:1538:1593:1594:1711:1730:1747:1777:1792:2393:2559:2562:2828:2899:2903:3138:3139:3140:3141:3142:3352:3622:3865:3866:3867:3868:3871:3872:3873:3874:4321:5007:9010:10004:10400:10848:11232:11658:11914:12740:12760:12895:13069:13161:13229:13311:13357:13439:14659:14721:21080:21121:21433:21627:30054:30070:30091,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:1,LUA_SUMMARY:none X-HE-Tag: iron58_7404d79313d32 X-Filterd-Recvd-Size: 1418 Message-ID: <1504766795.7546.16.camel@perches.com> Subject: Re: [PATCH 1/1] x86:mm:return -ENOMEM if kzalloc() fails From: Joe Perches To: Allen Cc: linux-kernel@vger.kernel.org, x86@kernel.org Date: Wed, 06 Sep 2017 23:46:35 -0700 In-Reply-To: References: <1504765607-23548-1-git-send-email-allen.lkml@gmail.com> <1504766031.7546.14.camel@perches.com> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.22.6-1ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2017-09-07 at 12:08 +0530, Allen wrote: > > On Thu, 2017-09-07 at 11:56 +0530, Allen Pais wrote: > > > Currently on failure the value returned from kzalloc() is -1. > > > It should return -ENOMEM. > > > > > > > Looks like there are quite a few of these: > > (probably several false positives too) > > The list is long. If the maintainers are okay with these clean-ups, > i'll go ahead and get all of them done. Make sure you check the calling chains to ensure that the conversion from -1 to -12 doesn't break anything.