From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756952AbWLCQdy (ORCPT ); Sun, 3 Dec 2006 11:33:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756958AbWLCQdy (ORCPT ); Sun, 3 Dec 2006 11:33:54 -0500 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:19389 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1756935AbWLCQdy (ORCPT ); Sun, 3 Dec 2006 11:33:54 -0500 Date: Sun, 3 Dec 2006 16:41:09 +0000 From: Alan To: "Robert P. J. Day" Cc: Linux kernel mailing list Subject: Re: [PATCH] fs: Convert kmalloc()+memset() combo to kzalloc(). Message-ID: <20061203164109.4c260592@localhost.localdomain> In-Reply-To: References: X-Mailer: Sylpheed-Claws 2.6.0 (GTK+ 2.8.20; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > if (!p) { > - p = kmalloc(sizeof(*p), GFP_KERNEL); > + p = kzalloc(sizeof(*p), GFP_KERNEL); > if (!p) > return -ENOMEM; > file->private_data = p; > } > - memset(p, 0, sizeof(*p)); > mutex_init(&p->lock); > p->op = op; NAK If p was already set (ie private data existed) the old code zeroed it, your code does not, but only zeroes the new stuff. Alan