Hi Thomas, kernel test robot noticed the following build warnings: [auto build test WARNING on af67688dca57999fd848f051eeea1d375ba546b2] url: https://github.com/intel-lab-lkp/linux/commits/Thomas-Wei-schuh/block-constify-partition-prober-array/20230419-155356 base: af67688dca57999fd848f051eeea1d375ba546b2 patch link: https://lore.kernel.org/r/20230419-const-partition-v1-1-2d66f2d83873%40weissschuh.net patch subject: [PATCH 1/4] block: constify partition prober array config: arm64-randconfig-r001-20230416 (https://download.01.org/0day-ci/archive/20230419/202304192132.a6MR0cFR-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/9bc1f4308c10322c327c9e86ede6bb9e862440aa git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Thomas-Wei-schuh/block-constify-partition-prober-array/20230419-155356 git checkout 9bc1f4308c10322c327c9e86ede6bb9e862440aa # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash block/partitions/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304192132.a6MR0cFR-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> block/partitions/core.c:15:8: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers] static const int (*check_part[])(struct parsed_partitions *) = { ^~~~~~ block/partitions/core.c:47:2: error: incompatible function pointer types initializing 'const int (*)(struct parsed_partitions *)' with an expression of type 'int (struct parsed_partitions *)' [-Wincompatible-function-pointer-types] efi_partition, /* this must come before msdos */ ^~~~~~~~~~~~~ block/partitions/core.c:50:2: error: incompatible function pointer types initializing 'const int (*)(struct parsed_partitions *)' with an expression of type 'int (struct parsed_partitions *)' [-Wincompatible-function-pointer-types] sgi_partition, ^~~~~~~~~~~~~ block/partitions/core.c:56:2: error: incompatible function pointer types initializing 'const int (*)(struct parsed_partitions *)' with an expression of type 'int (struct parsed_partitions *)' [-Wincompatible-function-pointer-types] msdos_partition, ^~~~~~~~~~~~~~~ block/partitions/core.c:59:2: error: incompatible function pointer types initializing 'const int (*)(struct parsed_partitions *)' with an expression of type 'int (struct parsed_partitions *)' [-Wincompatible-function-pointer-types] osf_partition, ^~~~~~~~~~~~~ block/partitions/core.c:62:2: error: incompatible function pointer types initializing 'const int (*)(struct parsed_partitions *)' with an expression of type 'int (struct parsed_partitions *)' [-Wincompatible-function-pointer-types] sun_partition, ^~~~~~~~~~~~~ block/partitions/core.c:65:2: error: incompatible function pointer types initializing 'const int (*)(struct parsed_partitions *)' with an expression of type 'int (struct parsed_partitions *)' [-Wincompatible-function-pointer-types] amiga_partition, ^~~~~~~~~~~~~~~ block/partitions/core.c:71:2: error: incompatible function pointer types initializing 'const int (*)(struct parsed_partitions *)' with an expression of type 'int (struct parsed_partitions *)' [-Wincompatible-function-pointer-types] mac_partition, ^~~~~~~~~~~~~ 1 warning and 7 errors generated. vim +/const +15 block/partitions/core.c 14 > 15 static const int (*check_part[])(struct parsed_partitions *) = { 16 /* 17 * Probe partition formats with tables at disk address 0 18 * that also have an ADFS boot block at 0xdc0. 19 */ 20 #ifdef CONFIG_ACORN_PARTITION_ICS 21 adfspart_check_ICS, 22 #endif 23 #ifdef CONFIG_ACORN_PARTITION_POWERTEC 24 adfspart_check_POWERTEC, 25 #endif 26 #ifdef CONFIG_ACORN_PARTITION_EESOX 27 adfspart_check_EESOX, 28 #endif 29 30 /* 31 * Now move on to formats that only have partition info at 32 * disk address 0xdc0. Since these may also have stale 33 * PC/BIOS partition tables, they need to come before 34 * the msdos entry. 35 */ 36 #ifdef CONFIG_ACORN_PARTITION_CUMANA 37 adfspart_check_CUMANA, 38 #endif 39 #ifdef CONFIG_ACORN_PARTITION_ADFS 40 adfspart_check_ADFS, 41 #endif 42 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
