[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 - 00:48:13 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: x86_64-randconfig-a011-20211213 (https://download.01.org/0day-ci/archive/20211214/202112141329.KBkyJ5ql-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# 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
make W=1 O=build_dir ARCH=x86_64 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
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