Messages in this thread | | | Date | Tue, 1 Feb 2022 12:37:56 +0800 | From | kernel test robot <> | Subject | [jlayton:ceph-fscrypt 53/54] net/ceph/messenger.c:1122:16: warning: comparison of distinct pointer types ('typeof (bytes) *' (aka 'unsigned int *') and 'typeof (((1UL) << 12)) *' (aka 'unsigned long *')) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git ceph-fscrypt head: 14cb86455b249f05d1b11dbab353e33f4fad6a5a commit: 7e935aa6d4c23a6bcbd27a28c4f5457885c9ae98 [53/54] libceph: allow ceph_msg_data_advance to advance more than a page config: i386-randconfig-r013-20220131 (https://download.01.org/0day-ci/archive/20220201/202202011252.GlKY0IdE-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6b1e844b69f15bb7dffaf9365cd2b355d2eb7579) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/?id=7e935aa6d4c23a6bcbd27a28c4f5457885c9ae98 git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git git fetch --no-tags jlayton ceph-fscrypt git checkout 7e935aa6d4c23a6bcbd27a28c4f5457885c9ae98 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/ceph/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> net/ceph/messenger.c:1122:16: warning: comparison of distinct pointer types ('typeof (bytes) *' (aka 'unsigned int *') and 'typeof (((1UL) << 12)) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types] size_t cur = min(bytes, PAGE_SIZE); ^~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:45:19: note: expanded from macro 'min' #define min(x, y) __careful_cmp(x, y, <) ^~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp' __builtin_choose_expr(__safe_cmp(x, y), \ ^~~~~~~~~~~~~~~~ include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp' (__typecheck(x, y) && __no_side_effects(x, y)) ^~~~~~~~~~~~~~~~~ include/linux/minmax.h:20:28: note: expanded from macro '__typecheck' (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ 1 warning generated.
vim +1122 net/ceph/messenger.c
1118 1119 void ceph_msg_data_advance(struct ceph_msg_data_cursor *cursor, size_t bytes) 1120 { 1121 while (bytes) { > 1122 size_t cur = min(bytes, PAGE_SIZE); 1123 1124 __ceph_msg_data_advance(cursor, cur); 1125 bytes -= cur; 1126 } 1127 } 1128
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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