Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751462AbaLOXxW (ORCPT ); Mon, 15 Dec 2014 18:53:22 -0500 Received: from smtprelay0116.hostedemail.com ([216.40.44.116]:47986 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751310AbaLOXxV (ORCPT ); Mon, 15 Dec 2014 18:53:21 -0500 X-Session-Marker: 6A6F6540706572636865732E636F6D X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,joe@perches.com,:::::::::::::::::::::::::,RULES_HIT:41:355:379:421:541:599:968:988:989:1260:1277:1311:1313:1314:1345:1359:1373:1437:1515:1516:1518:1534:1538:1593:1594:1711:1714:1730:1747:1777:1792:2393:2559:2562:2828:3138:3139:3140:3141:3142:3350:3622:3865:3867:3871:3872:3873:4250:4321:5007:6261:6742:8603:8828:10004:10400:10471:10848:11232:11658:11914:12517:12519:12663:12740:13069:13071:13255:13311:13357:21060:21080,0,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: dogs70_56fb2595fa847 X-Filterd-Recvd-Size: 1914 Message-ID: <1418687596.2674.25.camel@perches.com> Subject: Re: [PATCH] staging: lustre: lustre: obdclass: lprocfs_status.c: Fix for possible null pointer dereference From: Joe Perches To: Rickard Strandqvist Cc: Oleg Drokin , Andreas Dilger , Greg Kroah-Hartman , Julia Lawall , Greg Donald , "John L. Hammond" , Andriy Skulysh , Fabian Frederick , James Simmons , HPDD-discuss@ml01.01.org, devel@driverdev.osuosl.org, "linux-kernel@vger.kernel.org" Date: Mon, 15 Dec 2014 15:53:16 -0800 In-Reply-To: References: <1418597547-25086-1-git-send-email-rickard_strandqvist@spectrumdigital.se> <1418608297.2674.4.camel@perches.com> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.12.7-0ubuntu1 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 Mon, 2014-12-15 at 23:23 +0100, Rickard Strandqvist wrote: > Hi Joe Hello Rickard > No, it does not look like end can be NULL then. > Then remove the end != NULL instead? > ... > if (end != NULL && *end == '.') { Up to you. > However, I am hesitant to the tolower() I think double case is faster...? I doubt code execution speed is paramount here. Maybe see if the object code size is smaller one way or the other. -- 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/