From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21760 invoked by alias); 16 Jul 2007 20:37:30 -0000 Received: (qmail 21745 invoked by uid 22791); 16 Jul 2007 20:37:29 -0000 X-Spam-Status: No, hits=-2.0 required=5.0 tests=AWL,BAYES_00,DK_POLICY_SIGNSOME,DNS_FROM_RFC_ABUSE,SPF_PASS X-Spam-Check-By: sourceware.org Received: from e36.co.us.ibm.com (HELO e36.co.us.ibm.com) (32.97.110.154) by sourceware.org (qpsmtpd/0.31) with ESMTP; Mon, 16 Jul 2007 20:37:27 +0000 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by e36.co.us.ibm.com (8.13.8/8.13.8) with ESMTP id l6GKbPrQ011256 for ; Mon, 16 Jul 2007 16:37:25 -0400 Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v8.4) with ESMTP id l6GKbO7h244692 for ; Mon, 16 Jul 2007 14:37:24 -0600 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l6GKbOEs031346 for ; Mon, 16 Jul 2007 14:37:24 -0600 Received: from [127.0.0.1] (wecm-9-67-65-20.wecm.ibm.com [9.67.65.20]) by d03av04.boulder.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id l6GKbNcr031217 for ; Mon, 16 Jul 2007 14:37:24 -0600 Message-ID: <469BD6F4.3010203@us.ibm.com> Date: Mon, 16 Jul 2007 20:43:00 -0000 From: Mike Mason User-Agent: Thunderbird 2.0.0.4 (Windows/20070604) MIME-Version: 1.0 To: systemtap@sourceware.org Subject: kread() and NULL pointers Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2007-q3/txt/msg00128.txt.bz2 Does kread() generate an error if you pass it a NULL pointer? I'm trying to determine if NULL pointer checks are still necessary if I use kread(). Some earlier email implies that they aren't, but I want to be certain. Thanks, Mike