From: kernel test robot <lkp@intel.com>
To: Rong Tao <rongtao@cestc.cn>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
Luis Chamberlain <mcgrof@kernel.org>,
Petr Mladek <pmladek@suse.com>
Subject: [linux-next:master 3803/4327] 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
Date: Tue, 25 Jul 2023 17:10:26 +0800 [thread overview]
Message-ID: <202307251703.AgPdzkAe-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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
next reply other threads:[~2023-07-25 9:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-25 9:10 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-07-25 17:21 [linux-next:master 3803/4327] 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 kernel test robot
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