[ammarfaizi2-block:crng/random/jd/vdso 8/8] arch/x86/entry/vdso/vgetrandom.c:10:9: warning: no previous prototype for '__vdso_getrandom'

[kernel test robot]

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-a013 (https://download.01.org/0day-ci/archive/20220730/202207300625.hQvJunv9-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # 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
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/entry/vdso/ lib/vdso/

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

All warnings (new ones prefixed by >>):

   In file included from arch/x86/entry/vdso/vgetrandom.c:8:
>> arch/x86/entry/vdso/../../../../lib/vdso/getrandom.c:102:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration]
     102 | static ssize_t __always_inline
         | ^~~~~~
>> arch/x86/entry/vdso/vgetrandom.c:10:9: warning: no previous prototype for '__vdso_getrandom' [-Wmissing-prototypes]
      10 | ssize_t __vdso_getrandom(void **state, void *buffer, size_t len, unsigned long flags)
         |         ^~~~~~~~~~~~~~~~


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	

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