Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752291Ab2KSNIm (ORCPT ); Mon, 19 Nov 2012 08:08:42 -0500 Received: from mail-pa0-f46.google.com ([209.85.220.46]:65279 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751801Ab2KSNIk (ORCPT ); Mon, 19 Nov 2012 08:08:40 -0500 Date: Mon, 19 Nov 2012 18:38:29 +0530 From: Kumar amit mehta To: Dan Carpenter Cc: gregkh@linuxfoundation.org, alan@lxorguk.ukuu.org.uk, wfp5p@virginia.edu, geert@linux-m68k.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org Subject: Re: [PATCH] staging: dgrp: dgrp_tty.c: Audit the return values of get/put_user() Message-ID: <20121119130829.GB3275@gmail.com> References: <1353322531-10092-1-git-send-email-gmate.amit@gmail.com> <20121119111553.GC6186@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121119111553.GC6186@mwanda> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 933 Lines: 22 On Mon, Nov 19, 2012 at 02:15:54PM +0300, Dan Carpenter wrote: > On Mon, Nov 19, 2012 at 04:25:31PM +0530, Kumar Amit Mehta wrote: > > -- fix for missing audits for return values of get_user() and put_user(). > > -- Remove the TIOCSSOFTCAR ioctl handling from dgrp driver. > > These should be done in separate commits. > > Are the calls to access_ok() still needed if we check get_user() and > put_user()? > You are right, access_ok() would become redundant if we check get/put_user(). Also, After sending one patch for removing TIOCSSOFTCAR ioctl handler from dgrp driver, I realized that I should be sending two patches as patch series. Please correct me if I'm wrong. Regards, Amit -- 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/