[linux-stable-rc:linux-5.15.y 9993/9999] kernel/cgroup/cpuset.c:2979:2: error: member reference base type 'void (struct cgroup *)' is not a structure or union

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
head:   0b6a5617247cb685e4efb226d56074068ad8d0ce
commit: aa3aacdd6c3597589da61279f6a2a1666f1a1690 [9993/9999] cgroup/cpuset: Add cpuset_can_fork() and cpuset_cancel_fork() methods
config: powerpc-randconfig-r032-20230418 (https://download.01.org/0day-ci/archive/20230419/202304190332.bk6CiRw8-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661)
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
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=aa3aacdd6c3597589da61279f6a2a1666f1a1690
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-5.15.y
        git checkout aa3aacdd6c3597589da61279f6a2a1666f1a1690
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash kernel/

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/202304190332.bk6CiRw8-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/cgroup/cpuset.c:2979:23: error: use of undeclared identifier 'cgroup_mutex'; did you mean 'cgroup_put'?
           lockdep_assert_held(&cgroup_mutex);
                                ^~~~~~~~~~~~
                                cgroup_put
   include/linux/lockdep.h:320:33: note: expanded from macro 'lockdep_assert_held'
           lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD)
                                          ^
   include/linux/lockdep.h:290:47: note: expanded from macro 'lockdep_is_held'
   #define lockdep_is_held(lock)           lock_is_held(&(lock)->dep_map)
                                                          ^
   include/linux/lockdep.h:314:32: note: expanded from macro 'lockdep_assert'
           do { WARN_ON(debug_locks && !(cond)); } while (0)
                                         ^
   include/asm-generic/bug.h:121:25: note: expanded from macro 'WARN_ON'
           int __ret_warn_on = !!(condition);                              \
                                  ^
   include/linux/cgroup.h:431:20: note: 'cgroup_put' declared here
   static inline void cgroup_put(struct cgroup *cgrp)
                      ^
>> kernel/cgroup/cpuset.c:2979:2: error: member reference base type 'void (struct cgroup *)' is not a structure or union
           lockdep_assert_held(&cgroup_mutex);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/lockdep.h:320:17: note: expanded from macro 'lockdep_assert_held'
           lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD)
           ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/lockdep.h:290:52: note: expanded from macro 'lockdep_is_held'
   #define lockdep_is_held(lock)           lock_is_held(&(lock)->dep_map)
                                                               ^ ~~~~~~~
   include/linux/lockdep.h:314:32: note: expanded from macro 'lockdep_assert'
           do { WARN_ON(debug_locks && !(cond)); } while (0)
                ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
   include/asm-generic/bug.h:121:25: note: expanded from macro 'WARN_ON'
           int __ret_warn_on = !!(condition);                              \
                                  ^~~~~~~~~
   2 errors generated.


vim +2979 kernel/cgroup/cpuset.c

  2961	
  2962	/*
  2963	 * In case the child is cloned into a cpuset different from its parent,
  2964	 * additional checks are done to see if the move is allowed.
  2965	 */
  2966	static int cpuset_can_fork(struct task_struct *task, struct css_set *cset)
  2967	{
  2968		struct cpuset *cs = css_cs(cset->subsys[cpuset_cgrp_id]);
  2969		bool same_cs;
  2970		int ret;
  2971	
  2972		rcu_read_lock();
  2973		same_cs = (cs == task_cs(current));
  2974		rcu_read_unlock();
  2975	
  2976		if (same_cs)
  2977			return 0;
  2978	
> 2979		lockdep_assert_held(&cgroup_mutex);
  2980		percpu_down_write(&cpuset_rwsem);
  2981	
  2982		/* Check to see if task is allowed in the cpuset */
  2983		ret = cpuset_can_attach_check(cs);
  2984		if (ret)
  2985			goto out_unlock;
  2986	
  2987		ret = task_can_attach(task, cs->effective_cpus);
  2988		if (ret)
  2989			goto out_unlock;
  2990	
  2991		ret = security_task_setscheduler(task);
  2992		if (ret)
  2993			goto out_unlock;
  2994	
  2995		/*
  2996		 * Mark attach is in progress.  This makes validate_change() fail
  2997		 * changes which zero cpus/mems_allowed.
  2998		 */
  2999		cs->attach_in_progress++;
  3000	out_unlock:
  3001		percpu_up_write(&cpuset_rwsem);
  3002		return ret;
  3003	}
  3004	

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