* Re: [PATCH v2 3/7] of/fdt: Fix the len check in early_init_dt_check_for_usable_mem_range()
[not found] <20251113155104.226617-4-yuntao.wang@linux.dev>
@ 2025-11-13 18:43 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-11-13 18:43 UTC (permalink / raw)
To: Yuntao Wang, Rob Herring, Saravana Kannan
Cc: llvm, oe-kbuild-all, Geert Uytterhoeven, Catalin Marinas,
James Morse, Baoquan He, Zhen Lei, Ard Biesheuvel, Mark Rutland,
Geoff Levand, Andrew Morton, Linux Memory Management List,
Changyuan Lyu, Alexander Graf, Mike Rapoport (Microsoft),
devicetree, linux-kernel, Yuntao Wang
Hi Yuntao,
kernel test robot noticed the following build errors:
[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v6.18-rc5 next-20251113]
[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/Yuntao-Wang/of-fdt-Consolidate-duplicate-code-into-helper-functions/20251114-004121
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20251113155104.226617-4-yuntao.wang%40linux.dev
patch subject: [PATCH v2 3/7] of/fdt: Fix the len check in early_init_dt_check_for_usable_mem_range()
config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20251114/202511140236.zLyckeBA-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251114/202511140236.zLyckeBA-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511140236.zLyckeBA-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/of/fdt.c:903:31: error: incompatible pointer types passing 'phys_addr_t *' (aka 'unsigned int *') to parameter of type 'u64 *' (aka 'unsigned long long *') [-Wincompatible-pointer-types]
903 | of_fdt_read_addr_size(prop, &rgn[i].base, &rgn[i].size);
| ^~~~~~~~~~~~
drivers/of/fdt.c:663:60: note: passing argument to parameter 'addr' here
663 | void __init of_fdt_read_addr_size(const __be32 *prop, u64 *addr, u64 *size)
| ^
drivers/of/fdt.c:903:45: error: incompatible pointer types passing 'phys_addr_t *' (aka 'unsigned int *') to parameter of type 'u64 *' (aka 'unsigned long long *') [-Wincompatible-pointer-types]
903 | of_fdt_read_addr_size(prop, &rgn[i].base, &rgn[i].size);
| ^~~~~~~~~~~~
drivers/of/fdt.c:663:71: note: passing argument to parameter 'size' here
663 | void __init of_fdt_read_addr_size(const __be32 *prop, u64 *addr, u64 *size)
| ^
2 errors generated.
vim +903 drivers/of/fdt.c
879
880 /**
881 * early_init_dt_check_for_usable_mem_range - Decode usable memory range
882 * location from flat tree
883 */
884 void __init early_init_dt_check_for_usable_mem_range(void)
885 {
886 struct memblock_region rgn[MAX_USABLE_RANGES] = {0};
887 const __be32 *prop;
888 int len, i;
889 unsigned long node = chosen_node_offset;
890
891 if ((long)node < 0)
892 return;
893
894 pr_debug("Looking for usable-memory-range property... ");
895
896 prop = of_fdt_get_addr_size_prop(node, "linux,usable-memory-range", &len);
897 if (!prop)
898 return;
899
900 len = min(len, MAX_USABLE_RANGES);
901
902 for (i = 0; i < len; i++) {
> 903 of_fdt_read_addr_size(prop, &rgn[i].base, &rgn[i].size);
904
905 pr_debug("cap_mem_regions[%d]: base=%pa, size=%pa\n",
906 i, &rgn[i].base, &rgn[i].size);
907 }
908
909 memblock_cap_memory_range(rgn[0].base, rgn[0].size);
910 for (i = 1; i < MAX_USABLE_RANGES && rgn[i].size; i++)
911 memblock_add(rgn[i].base, rgn[i].size);
912 }
913
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread