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] <asn:1>*to drivers/usb/class/usbtmc.c:476:28: got void *<noident> >> 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] <asn:1>*from drivers/usb/class/usbtmc.c:507:44: got void *<noident> 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] <asn:1>*to drivers/usb/class/usbtmc.c:1248:40: got void *<noident> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
