tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: d96cd567c8d8d584405abe92c2576bf58202fa6e commit: 8f44df8094e0d4dcd28122eab732820e5c639ccd [1605/1605] net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report config: x86_64-buildonly-randconfig-2002-20250501 (https://download.01.org/0day-ci/archive/20250703/202507030301.JSR1Dol1-lkp@i...) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250703/202507030301.JSR1Dol1-lkp@i...) 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/202507030301.JSR1Dol1-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from fs/ocfs2/dlm/dlmdomain.c:43:

...

fs/ocfs2/dlm/dlmcommon.h:709:9: warning: 'BITS_TO_BYTES' macro redefined [-Wmacro-redefined] 709 | #define BITS_TO_BYTES(bits) (((bits)+BITS_PER_BYTE-1)/BITS_PER_BYTE) | ^ include/linux/bitops.h:9:9: note: previous definition is here 9 | #define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(char)) | ^ 1 warning generated. -- In file included from fs/ocfs2/dlm/dlmthread.c:48: fs/ocfs2/dlm/dlmcommon.h:709:9: warning: 'BITS_TO_BYTES' macro redefined [-Wmacro-redefined] 709 | #define BITS_TO_BYTES(bits) (((bits)+BITS_PER_BYTE-1)/BITS_PER_BYTE) | ^ include/linux/bitops.h:9:9: note: previous definition is here 9 | #define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(char)) | ^ fs/ocfs2/dlm/dlmthread.c:534:18: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] 534 | if ((res->owner == dlm->node_num)) { | ~~~~~~~~~~~^~~~~~~~~~~~~~~~ fs/ocfs2/dlm/dlmthread.c:534:18: note: remove extraneous parentheses around the comparison to silence this warning 534 | if ((res->owner == dlm->node_num)) { | ~ ^ ~ fs/ocfs2/dlm/dlmthread.c:534:18: note: use '=' to turn this equality comparison into an assignment 534 | if ((res->owner == dlm->node_num)) { | ^~ | = 2 warnings generated.

vim +/BITS_TO_BYTES +709 fs/ocfs2/dlm/dlmcommon.h 6714d8e86bf443 Kurt Hackel 2005-12-15 706 6714d8e86bf443 Kurt Hackel 2005-12-15 707 1faf289454b9ee Srinivas Eeda 2007-01-29 708 #define BITS_PER_BYTE 8 1faf289454b9ee Srinivas Eeda 2007-01-29 @709 #define BITS_TO_BYTES(bits) (((bits)+BITS_PER_BYTE-1)/BITS_PER_BYTE) 1faf289454b9ee Srinivas Eeda 2007-01-29 710 :::::: The code at line 709 was first introduced by commit :::::: 1faf289454b9eeb6e463da3eee47f7009668370d ocfs2_dlm: disallow a domain join if node maps mismatch :::::: TO: Srinivas Eeda <srinivas.eeda@oracle.com> :::::: CC: Mark Fasheh <mark.fasheh@oracle.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki