[ebiederm-user-namespace:signal-for-v5.17 10/12] kernel/kthread.c:299: warning: expecting prototype for kthread_complete_and exit(). Prototype was for kthread_complete_and_exit() instead

From: kernel test robot
Date: Tue Dec 14 2021 - 01:43:24 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git signal-for-v5.17
head: 6b1248798eb6f6d5285db214299996ecc5dc1e6b
commit: cead18552660702a4a46f58e65188fe5f36e9dfe [10/12] exit: Rename complete_and_exit to kthread_complete_and_exit
config: i386-randconfig-a001-20211213 (https://download.01.org/0day-ci/archive/20211214/202112141422.Cykr6YUS-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a2ddb6c8ac29412b1361810972e15221fa021c)
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/ebiederm/user-namespace.git/commit/?id=cead18552660702a4a46f58e65188fe5f36e9dfe
git remote add ebiederm-user-namespace https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git
git fetch --no-tags ebiederm-user-namespace signal-for-v5.17
git checkout cead18552660702a4a46f58e65188fe5f36e9dfe
# 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=i386 SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> kernel/kthread.c:299: warning: expecting prototype for kthread_complete_and exit(). Prototype was for kthread_complete_and_exit() instead


vim +299 kernel/kthread.c

285
286 /**
287 * kthread_complete_and exit - Exit the current kthread.
288 * @comp: Completion to complete
289 * @code: The integer value to return to kthread_stop().
290 *
291 * If present complete @comp and the reuturn code to kthread_stop().
292 *
293 * A kernel thread whose module may be removed after the completion of
294 * @comp can use this function exit safely.
295 *
296 * Does not return.
297 */
298 void __noreturn kthread_complete_and_exit(struct completion *comp, long code)
> 299 {
300 if (comp)
301 complete(comp);
302
303 kthread_exit(code);
304 }
305 EXPORT_SYMBOL(kthread_complete_and_exit);
306

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx