linux-kernel - [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

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Date:   Tue, 14 Dec 2021 13:47:58 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [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

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@intel.com/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@...el.com>

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@lists.01.org