From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [input:master 1384/1384] drivers/input/evdev.c:719:7: warning: passing argument 1 of 'copy_from_user' discards 'const' qualifier from pointer target type Date: Mon, 26 Oct 2015 19:08:58 -0700 Message-ID: <20151027020858.GA15536@localhost> References: <201510270918.x4rKus8w%fengguang.wu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pa0-f45.google.com ([209.85.220.45]:33702 "EHLO mail-pa0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753550AbbJ0CJI (ORCPT ); Mon, 26 Oct 2015 22:09:08 -0400 Received: by pabla5 with SMTP id la5so12621337pab.0 for ; Mon, 26 Oct 2015 19:09:07 -0700 (PDT) Content-Disposition: inline In-Reply-To: <201510270918.x4rKus8w%fengguang.wu@intel.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: kbuild test robot Cc: David Herrmann , kbuild-all@01.org, linux-input@vger.kernel.org On Tue, Oct 27, 2015 at 09:52:20AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git master > head: 86f77bf98fdd07cd7e9b65014c5f8d8d233b3449 > commit: 86f77bf98fdd07cd7e9b65014c5f8d8d233b3449 [1384/1384] Input: evdev - add event-mask API > config: sparc64-allyesconfig (attached as .config) > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 86f77bf98fdd07cd7e9b65014c5f8d8d233b3449 > # save the attached .config to linux build tree > make.cross ARCH=sparc64 > > All warnings (new ones prefixed by >>): > > drivers/input/evdev.c: In function 'bits_from_user': > >> drivers/input/evdev.c:719:7: warning: passing argument 1 of 'copy_from_user' discards 'const' qualifier from pointer target type > if (copy_from_user(p, bits, len)) > ^ > In file included from arch/sparc/include/asm/uaccess.h:4:0, > from include/linux/poll.h:11, > from drivers/input/evdev.c:18: > arch/sparc/include/asm/uaccess_64.h:251:1: note: expected 'void *' but argument is of type 'const void *' > copy_from_user(void *to, const void __user *from, unsigned long size) > ^ Should be fixed now. Thanks. -- Dmitry