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Subject[ammarfaizi2-block:crng/random/jd/vdso 8/8] arch/x86/entry/vdso/vgetrandom.c:10:9: warning: no previous prototype for function '__vdso_getrandom'
tree:   https://github.com/ammarfaizi2/linux-block crng/random/jd/vdso
head: 7f252f719a107b2d29b14c2f7143a80d4fa14349
commit: 7f252f719a107b2d29b14c2f7143a80d4fa14349 [8/8] random: implement getrandom() in vDSO
config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20220730/202207300604.XFoJYXtZ-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e)
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://github.com/ammarfaizi2/linux-block/commit/7f252f719a107b2d29b14c2f7143a80d4fa14349
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block crng/random/jd/vdso
git checkout 7f252f719a107b2d29b14c2f7143a80d4fa14349
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/entry/vdso/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/x86/entry/vdso/vgetrandom.c:10:9: warning: no previous prototype for function '__vdso_getrandom' [-Wmissing-prototypes]
ssize_t __vdso_getrandom(void **state, void *buffer, size_t len, unsigned long flags)
^
arch/x86/entry/vdso/vgetrandom.c:10:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
ssize_t __vdso_getrandom(void **state, void *buffer, size_t len, unsigned long flags)
^
static
1 warning generated.


vim +/__vdso_getrandom +10 arch/x86/entry/vdso/vgetrandom.c

9
> 10 ssize_t __vdso_getrandom(void **state, void *buffer, size_t len, unsigned long flags)
11 {
12 return __cvdso_getrandom(state, buffer, len, flags);
13 }
14

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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