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ISO C99 and later do not support implicit function declarations Message-ID: <202307251703.AgPdzkAe-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 67904100012 X-Rspam-User: X-Stat-Signature: 78xwtouj34r3j6k3panamremadbjqo64 X-Rspamd-Server: rspam01 X-HE-Tag: 1690276262-749100 X-HE-Meta: U2FsdGVkX1/jGxlFH+K+avPFrL7PM4OkyBlix+1CKBLkTH6VkBZaJmL+PxK/zK7uhvPyGaoifOjopZniZ/iM+aY7S1p6KLvl6jOQxWBIPMm4ZI65zid7lRcTPhbXyEv+BE8O2fYQuTmtrLc8FvRefZeVkTgGg7Y5Su+fsRDXtY4Za+M9RFWulogQ4RNiguRRwqY18yV54pWgdCzxOKFNUKgJ61zAT9lop21KSO8xOrodEg8T+qW7xr+8b2Yx0/+nmsf97+i8M3B9CvadUIM11bzQGgn+jeyQvVV+j6KqJTY9MPqwEB+VDAZfsKZoxhukSGqD+Lsh1KkkbMSK9C7kN0Pmo84lQhdR8aGIchZzu6+OY/sZeSDo0chS9YWZC8w7t/SZanY7Bbev5xoHVcJf8OASnx62JeK4uPCOzkE3zu4VY4mg1IxsLW6f38OZN2En5tjRYq5RvQNxNqnymBINVUwQYbvnIMVRHHpXRGeMUfBGNl42eC1pvFupkMg2IW7IIIlk72Q0OIADJEI3N4SMo+qrF5EPjvw2HCCJ81B4DoypRsCIqJ0KxotrWJ9f5wQECrpcJKrnSgPpzUEfJHoAz52CG8dYfB7HW0BkMuqG+T8GupsUbtxnifELwBbk+PT6br8gw3BF3TG/w9hybXc3Pp6yWkSOyP+0iRlxTBEq62/0zlZexfmD/YVYQA2P74Po0FceqSwk95GXeyXWmPERvw+I3Vyc1Dpqz0N+ZzlYrZlmrgCAcLzmZ5vOUUt/oQMqy72OK0w7gyw4zFPy7z8vgT5kWxsv1dBS7GRKmKCULoszdbmX35rJoi3mRqSDYoXgJW+py9vhuUTk712L1RPCy7mSsDA4Jh/K1bEamVZwMTKp1iuiIPURBo5Q58NX/6/DCPGWp8oXpXMcXJXSRGxnn1D5oloXGy/Et32Pce5LombGI0e4jHodPi/AHo07pQau+OoqYHNUQhtql1VgpTt a9hu13Rp lhBR9J1EAcrNNYhM/r2S4dN581MBItgcvJNIEBms8xqA82IccL4Uwr4NIXRBhHj2Vbwk+9EbYs7RXZF6UUyGUi4cKMcsptLCv3eUD152a+9dg8GjbeIffG5hCXkPy/z1fh6EsQ/jYaecKG6RrjA+iprllmN7mc2huIzck93HyR9K8pU4qi5qJ0j9x+sfmZU8eF3kP3yZRq6QEpTEi+NuJ9a84hwvUpS1DWc87IbTx1vAdEKfKX+9ueo3MxdGCfpCw7/v2nyTny9CI9L9m2ptclWywkP5CZdG2avP4kBcsCbSSZqNufyf52cMbfXGbFf8T+qUd8wBhHjz4JfF3FMoEZDizxzj0ewKH6JPmhJVew6fuSKl5E1WIODPajis3iFA2XY40f/le4sKMgIkR6OYByxnr6Z532ZbbHKe7 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1e25dd7772483f477f79986d956028e9f47f990a commit: 910e230d5f1bb72c54532e94fbb1705095c7bab6 [3803/4327] samples/hw_breakpoint: Fix kernel BUG 'invalid opcode: 0000' config: i386-buildonly-randconfig-r004-20230725 (https://download.01.org/0day-ci/archive/20230725/202307251703.AgPdzkAe-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230725/202307251703.AgPdzkAe-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202307251703.AgPdzkAe-lkp@intel.com/ All errors (new ones prefixed by >>): >> samples/hw_breakpoint/data_breakpoint.c:73:2: error: call to undeclared function '__symbol_put'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] __symbol_put(ksym_name); ^ samples/hw_breakpoint/data_breakpoint.c:73:2: note: did you mean '__symbol_get'? include/linux/module.h:301:7: note: '__symbol_get' declared here void *__symbol_get(const char *symbol); ^ 1 error generated. vim +/__symbol_put +73 samples/hw_breakpoint/data_breakpoint.c 69 70 static void __exit hw_break_module_exit(void) 71 { 72 unregister_wide_hw_breakpoint(sample_hbp); > 73 __symbol_put(ksym_name); 74 printk(KERN_INFO "HW Breakpoint for %s write uninstalled\n", ksym_name); 75 } 76 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki