Hi Zaid, kernel test robot noticed the following build warnings: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on rafael-pm/bleeding-edge linus/master v6.13-rc1 next-20241205] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Zaid-Alali/ACPICA-Update-values-to-hex-to-follow-ACPI-specs/20241206-052420 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20241205211854.43215-6-zaidal%40os.amperecomputing.com patch subject: [PATCH v2 5/9] ACPI: APEI: EINJ: Enable the discovery of EINJv2 capabilities config: i386-buildonly-randconfig-005-20241206 (https://download.01.org/0day-ci/archive/20241206/202412061210.H6R0JvCL-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241206/202412061210.H6R0JvCL-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202412061210.H6R0JvCL-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/acpi/apei/einj-core.c:23: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ drivers/acpi/apei/einj-core.c:342:6: warning: variable 'p' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] 342 | if (!r) { | ^~ drivers/acpi/apei/einj-core.c:440:6: note: uninitialized use occurs here 440 | if (p) | ^ drivers/acpi/apei/einj-core.c:342:2: note: remove the 'if' if its condition is always false 342 | if (!r) { | ^~~~~~~~~ 343 | pr_err("Can not request [mem %#010llx-%#010llx] for Trigger table\n", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 344 | (unsigned long long)trigger_paddr, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 345 | (unsigned long long)trigger_paddr + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 346 | sizeof(*trigger_tab) - 1); | ~~~~~~~~~~~~~~~~~~~~~~~~~~ 347 | goto out; | ~~~~~~~~~ 348 | } | ~ drivers/acpi/apei/einj-core.c:338:17: note: initialize the variable 'p' to silence this warning 338 | void __iomem *p; | ^ | = NULL >> drivers/acpi/apei/einj-core.c:728:29: warning: 'memset' call operates on objects of type 'char' while the size is based on a different type 'char *' [-Wsizeof-pointer-memaccess] 728 | memset(einj_buf, 0, sizeof(einj_buf)); | ~~~~~~~~ ^~~~~~~~ drivers/acpi/apei/einj-core.c:728:29: note: did you mean to provide an explicit length? 728 | memset(einj_buf, 0, sizeof(einj_buf)); | ^~~~~~~~ 3 warnings generated. vim +728 drivers/acpi/apei/einj-core.c 721 722 static ssize_t error_type_set(struct file *file, const char __user *buf, 723 size_t count, loff_t *ppos) 724 { 725 int rc; 726 u64 val; 727 > 728 memset(einj_buf, 0, sizeof(einj_buf)); 729 if (copy_from_user(einj_buf, buf, count)) 730 return -EFAULT; 731 732 if (strncmp(einj_buf, "V2_", 3) == 0) { 733 if (!sscanf(einj_buf, "V2_%llx", &val)) 734 return -EINVAL; 735 } else 736 if (!sscanf(einj_buf, "%llx", &val)) 737 return -EINVAL; 738 739 rc = einj_validate_error_type(val); 740 if (rc) 741 return rc; 742 743 error_type = val; 744 745 return count; 746 } 747 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
