From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753886AbbJNOZo (ORCPT ); Wed, 14 Oct 2015 10:25:44 -0400 Received: from mga03.intel.com ([134.134.136.65]:31457 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753318AbbJNOZn (ORCPT ); Wed, 14 Oct 2015 10:25:43 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,681,1437462000"; d="scan'208";a="664195707" Date: Wed, 14 Oct 2015 22:20:06 +0800 From: kbuild test robot To: dave penkler Cc: kbuild-all@01.org, gregkh@linuxfoundation.org, peter.chen@freescale.com, teuniz@gmail.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] USB: usbtmc: Add support for missing USBTMC-USB488 spec Message-ID: <201510142249.m4Pw2ldb%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151014131309.GB5410@slacky> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi dave, [auto build test WARNING on usb/usb-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/dave-penkler/USB-usbtmc-Add-support-for-missing-USBTMC-USB488-spec/20151014-211711 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> drivers/usb/class/usbtmc.c:476:28: sparse: incorrect type in argument 1 (different address spaces) drivers/usb/class/usbtmc.c:476:28: expected void [noderef] *to drivers/usb/class/usbtmc.c:476:28: got void * >> drivers/usb/class/usbtmc.c:507:44: sparse: incorrect type in argument 2 (different address spaces) drivers/usb/class/usbtmc.c:507:44: expected void const [noderef] *from drivers/usb/class/usbtmc.c:507:44: got void * drivers/usb/class/usbtmc.c:1248:40: sparse: incorrect type in argument 1 (different address spaces) drivers/usb/class/usbtmc.c:1248:40: expected void [noderef] *to drivers/usb/class/usbtmc.c:1248:40: got void * vim +476 drivers/usb/class/usbtmc.c 470 471 /* bump interrupt bTag */ 472 data->iin_bTag += 1; 473 if (data->iin_bTag > 127) 474 data->iin_bTag = 2; 475 > 476 rv = copy_to_user((void *)arg, &stb, sizeof(stb)); 477 if (rv) 478 rv = -EFAULT; 479 480 exit: 481 kfree(buffer); 482 return rv; 483 484 } 485 486 static int usbtmc488_ioctl_simple(struct usbtmc_device_data *data, 487 unsigned long arg, 488 unsigned int cmd) 489 { 490 u8 *buffer; 491 struct device *dev; 492 int rv; 493 unsigned int val; 494 u16 wValue; 495 496 dev = &data->intf->dev; 497 498 if (0 == (data->usb488_caps & USBTMC488_CAPABILITY_SIMPLE)) 499 return -EINVAL; 500 501 buffer = kmalloc(8, GFP_KERNEL); 502 if (!buffer) 503 return -ENOMEM; 504 505 506 if (cmd == USBTMC488_REQUEST_REN_CONTROL) { > 507 rv = copy_from_user(&val, (void *)arg, sizeof(val)); 508 if (rv) { 509 rv = -EFAULT; 510 goto exit; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation