tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test head: 3ac6488df9160f52bbd8b8ec3387a53ac3d0f2eb commit: e72fcdb26cde72985c418b39f72ecaa222e1f4d5 [120/182] powerpc/uaccess: Refactor get/put_user() and __get/put_user() config: powerpc-randconfig-s031-20210408 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-279-g6d5d9b42-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=e72fcdb26cde72985c418b39f72ecaa222e1f4d5 git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git git fetch --no-tags powerpc next-test git checkout e72fcdb26cde72985c418b39f72ecaa222e1f4d5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/w1/slaves/w1_ds28e04.c:342:13: sparse: sparse: incorrect type in
>> initializer (different address spaces) @@ expected char [noderef] __user
>> *_pu_addr @@ got char *buf @@
drivers/w1/slaves/w1_ds28e04.c:342:13: sparse: expected char [noderef]
__user *_pu_addr
drivers/w1/slaves/w1_ds28e04.c:342:13: sparse: got char *buf
>> drivers/w1/slaves/w1_ds28e04.c:356:13: sparse: sparse: incorrect type in
>> initializer (different address spaces) @@ expected char const [noderef]
>> __user *_gu_addr @@ got char const *buf @@
drivers/w1/slaves/w1_ds28e04.c:356:13: sparse: expected char const
[noderef] __user *_gu_addr
drivers/w1/slaves/w1_ds28e04.c:356:13: sparse: got char const *buf
vim +342 drivers/w1/slaves/w1_ds28e04.c
fa33a65a9cf7e2 Greg Kroah-Hartman 2013-08-21 338
fa33a65a9cf7e2 Greg Kroah-Hartman 2013-08-21 339 static ssize_t
crccheck_show(struct device *dev, struct device_attribute *attr,
fa33a65a9cf7e2 Greg Kroah-Hartman 2013-08-21 340
char *buf)
fbf7f7b4e2ae40 Markus Franke 2012-05-26 341 {
fbf7f7b4e2ae40 Markus Franke 2012-05-26 @342 if
(put_user(w1_enable_crccheck + 0x30, buf))
fbf7f7b4e2ae40 Markus Franke 2012-05-26 343 return -EFAULT;
fbf7f7b4e2ae40 Markus Franke 2012-05-26 344
fbf7f7b4e2ae40 Markus Franke 2012-05-26 345 return
sizeof(w1_enable_crccheck);
fbf7f7b4e2ae40 Markus Franke 2012-05-26 346 }
fbf7f7b4e2ae40 Markus Franke 2012-05-26 347
fa33a65a9cf7e2 Greg Kroah-Hartman 2013-08-21 348 static ssize_t
crccheck_store(struct device *dev, struct device_attribute *attr,
fbf7f7b4e2ae40 Markus Franke 2012-05-26 349
const char *buf, size_t count)
fbf7f7b4e2ae40 Markus Franke 2012-05-26 350 {
fbf7f7b4e2ae40 Markus Franke 2012-05-26 351 char val;
fbf7f7b4e2ae40 Markus Franke 2012-05-26 352
fbf7f7b4e2ae40 Markus Franke 2012-05-26 353 if (count != 1 || !buf)
fbf7f7b4e2ae40 Markus Franke 2012-05-26 354 return -EINVAL;
fbf7f7b4e2ae40 Markus Franke 2012-05-26 355
fbf7f7b4e2ae40 Markus Franke 2012-05-26 @356 if (get_user(val, buf))
fbf7f7b4e2ae40 Markus Franke 2012-05-26 357 return -EFAULT;
fbf7f7b4e2ae40 Markus Franke 2012-05-26 358
fbf7f7b4e2ae40 Markus Franke 2012-05-26 359 /* convert to decimal */
fbf7f7b4e2ae40 Markus Franke 2012-05-26 360 val = val - 0x30;
fbf7f7b4e2ae40 Markus Franke 2012-05-26 361 if (val != 0 && val !=
1)
fbf7f7b4e2ae40 Markus Franke 2012-05-26 362 return -EINVAL;
fbf7f7b4e2ae40 Markus Franke 2012-05-26 363
fbf7f7b4e2ae40 Markus Franke 2012-05-26 364 /* set the new value */
fbf7f7b4e2ae40 Markus Franke 2012-05-26 365 w1_enable_crccheck =
val;
fbf7f7b4e2ae40 Markus Franke 2012-05-26 366
fbf7f7b4e2ae40 Markus Franke 2012-05-26 367 return
sizeof(w1_enable_crccheck);
fbf7f7b4e2ae40 Markus Franke 2012-05-26 368 }
fbf7f7b4e2ae40 Markus Franke 2012-05-26 369
:::::: The code at line 342 was first introduced by commit
:::::: fbf7f7b4e2ae40f790828c86d31beff2d49e9ac8 w1: Add 1-wire slave device
driver for DS28E04-100
:::::: TO: Markus Franke <fr...@hrz.tu-chemnitz.de>
:::::: CC: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
