Messages in this thread | | | Date | Sat, 18 Dec 2021 23:58:56 +0100 | From | Jiri Olsa <> | Subject | Re: samples/ftrace/ftrace-direct-multi-modify.c:7:6: warning: no previous prototype for function 'my_direct_func1' |
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On Sun, Dec 19, 2021 at 01:57:29AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 9eaa88c7036eda3f6c215f87ca693594cf90559b > commit: e1067a07cfbc5a36abad3752fafe4c79e06db1bb ftrace/samples: Add module to test multi direct modify interface > date: 9 days ago > config: x86_64-randconfig-a001-20211219 (https://download.01.org/0day-ci/archive/20211219/202112190117.RKPcHQjE-lkp@intel.com/config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4c9e31a4814592bbda7153833e46728dc7b21100) > 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/torvalds/linux.git/commit/?id=e1067a07cfbc5a36abad3752fafe4c79e06db1bb > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout e1067a07cfbc5a36abad3752fafe4c79e06db1bb > # 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=x86_64 SHELL=/bin/bash samples/ftrace/ > > 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 >>): > > >> samples/ftrace/ftrace-direct-multi-modify.c:7:6: warning: no previous prototype for function 'my_direct_func1' [-Wmissing-prototypes] > void my_direct_func1(unsigned long ip) > ^ > samples/ftrace/ftrace-direct-multi-modify.c:7:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > void my_direct_func1(unsigned long ip) > ^ > static > >> samples/ftrace/ftrace-direct-multi-modify.c:12:6: warning: no previous prototype for function 'my_direct_func2' [-Wmissing-prototypes] > void my_direct_func2(unsigned long ip) > ^ > samples/ftrace/ftrace-direct-multi-modify.c:12:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > void my_direct_func2(unsigned long ip) > ^ > static > 2 warnings generated.
ugh, not again.. of course :-\ will send the fix
thanks, jirka
> > > vim +/my_direct_func1 +7 samples/ftrace/ftrace-direct-multi-modify.c > > 6 > > 7 void my_direct_func1(unsigned long ip) > 8 { > 9 trace_printk("my direct func1 ip %lx\n", ip); > 10 } > 11 > > 12 void my_direct_func2(unsigned long ip) > 13 { > 14 trace_printk("my direct func2 ip %lx\n", ip); > 15 } > 16 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org >
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