[mark:arm64/uaccess/fixes 1/4] lib/usercopy_kunit.c:144:6: warning: no previous prototype for 'usercopy_test_exit'

[mark:arm64/uaccess/fixes 1/4] lib/usercopy_kunit.c:144:6: warning: no previous prototype for 'usercopy_test_exit'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/uaccess/fixes
head:   bcab174e50dd95f92848c50fdfec65390e201a4b
commit: ec0cb0c84a9b083ec60a9d601f96fdf1eac85bb6 [1/4] lib: test copy_{to,from}_user()
config: arm-randconfig-r046-20230313 (https://download.01.org/0day-ci/archive/20230315/202303152041.rPmsbM7D-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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/mark/linux.git/commit/?id=ec0cb0c84a9b083ec60a9d601f96fdf1eac85bb6
        git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark arm64/uaccess/fixes
        git checkout ec0cb0c84a9b083ec60a9d601f96fdf1eac85bb6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303152041.rPmsbM7D-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> lib/usercopy_kunit.c:144:6: warning: no previous prototype for 'usercopy_test_exit' [-Wmissing-prototypes]
     144 | void usercopy_test_exit(struct kunit *test)
         |      ^~~~~~~~~~~~~~~~~~


vim +/usercopy_test_exit +144 lib/usercopy_kunit.c

   143	
 > 144	void usercopy_test_exit(struct kunit *test)
   145	{
   146		struct usercopy_env *env = test->priv;
   147	
   148		kunmap(env->ubuf);
   149	
   150		usercopy_ubuf_unpin(env);
   151		usercopy_mm_free(env->mm);
   152		usercopy_env_free(env);
   153	}
   154	

-- 
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https://github.com/intel/lkp-tests