From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o5ECjps8041127 for ; Mon, 14 Jun 2010 07:45:52 -0500 Received: from verein.lst.de (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id AF88B14A180D for ; Mon, 14 Jun 2010 05:51:54 -0700 (PDT) Received: from verein.lst.de (verein.lst.de [213.95.11.210]) by cuda.sgi.com with ESMTP id qwO3VunGEXkXCFGM for ; Mon, 14 Jun 2010 05:51:54 -0700 (PDT) Date: Mon, 14 Jun 2010 14:48:04 +0200 From: Christoph Hellwig Subject: Re: [PATCH] XFS: Fix gcc 4.6 set but not read and unused statement warnings v2 Message-ID: <20100614124804.GA8547@lst.de> References: <20100614081356.GA27499@basil.fritz.box> <20100614083021.GA29354@lst.de> <4C15EF75.5080909@linux.intel.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <4C15EF75.5080909@linux.intel.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Andi Kleen Cc: Andi Kleen , Christoph Hellwig , dgc@fromorbit.com, xfs@oss.sgi.com On Mon, Jun 14, 2010 at 10:59:33AM +0200, Andi Kleen wrote: > >How can this work? bp->data is a void pointer. > > It compiled with CONFIG_XFS_DEBUG enabled. Do I need to set some other > option to test this? It fails for me in a normal CONFIG_XFS_DEBUG build: fs/xfs/xfs_da_btree.c: In function 'xfs_da_root_join': fs/xfs/xfs_da_btree.c:737: warning: dereferencing 'void *' pointer fs/xfs/xfs_da_btree.c:737: error: request for member 'magic' in something not a structure or union fs/xfs/xfs_da_btree.c:737: warning: dereferencing 'void *' pointer ... _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs