Hi Richard, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f359287765c04711ff54fbd11645271d8e5ff763 commit: 231d901d1e368c47c4786e826195520e0000a5ea firmware: intel_stratix10_service: add depend on agilex date: 3 months ago config: arm64-randconfig-s032-20200602 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-244-g0ee050a8-dirty git checkout 231d901d1e368c47c4786e826195520e0000a5ea # save the attached .config to linux build tree make W=1 C=1 ARCH=arm64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) >> drivers/firmware/stratix10-rsu.c:293:21: sparse: sparse: Using plain integer >> as NULL pointer drivers/firmware/stratix10-rsu.c:318:21: sparse: sparse: Using plain integer as NULL pointer vim +293 drivers/firmware/stratix10-rsu.c 4526ebbc77732b Richard Gong 2019-09-03 284 4526ebbc77732b Richard Gong 2019-09-03 285 static ssize_t reboot_image_store(struct device *dev, 4526ebbc77732b Richard Gong 2019-09-03 286 struct device_attribute *attr, 4526ebbc77732b Richard Gong 2019-09-03 287 const char *buf, size_t count) 4526ebbc77732b Richard Gong 2019-09-03 288 { 4526ebbc77732b Richard Gong 2019-09-03 289 struct stratix10_rsu_priv *priv = dev_get_drvdata(dev); 4526ebbc77732b Richard Gong 2019-09-03 290 unsigned long address; 4526ebbc77732b Richard Gong 2019-09-03 291 int ret; 4526ebbc77732b Richard Gong 2019-09-03 292 4526ebbc77732b Richard Gong 2019-09-03 @293 if (priv == 0) 4526ebbc77732b Richard Gong 2019-09-03 294 return -ENODEV; 4526ebbc77732b Richard Gong 2019-09-03 295 4526ebbc77732b Richard Gong 2019-09-03 296 ret = kstrtoul(buf, 0, &address); 4526ebbc77732b Richard Gong 2019-09-03 297 if (ret) 4526ebbc77732b Richard Gong 2019-09-03 298 return ret; 4526ebbc77732b Richard Gong 2019-09-03 299 4526ebbc77732b Richard Gong 2019-09-03 300 ret = rsu_send_msg(priv, COMMAND_RSU_UPDATE, 4526ebbc77732b Richard Gong 2019-09-03 301 address, rsu_command_callback); 4526ebbc77732b Richard Gong 2019-09-03 302 if (ret) { 4526ebbc77732b Richard Gong 2019-09-03 303 dev_err(dev, "Error, RSU update returned %i\n", ret); 4526ebbc77732b Richard Gong 2019-09-03 304 return ret; 4526ebbc77732b Richard Gong 2019-09-03 305 } 4526ebbc77732b Richard Gong 2019-09-03 306 4526ebbc77732b Richard Gong 2019-09-03 307 return count; 4526ebbc77732b Richard Gong 2019-09-03 308 } 4526ebbc77732b Richard Gong 2019-09-03 309 :::::: The code at line 293 was first introduced by commit :::::: 4526ebbc77732bcae965ee374cf3e8d86436b2ad firmware: add Intel Stratix10 remote system update driver :::::: TO: Richard Gong <richard.g...@intel.com> :::::: 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
