[ammarfaizi2-block:paulmck/linux-rcu/dev 28/28] kernel/rcu/tree_nocb.h:1213:3: warning: misleading indentation; statement is not part of the previous 'if'

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

tree:   https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/dev
head:   ad68d8bf085421e4f22731c8b64c0b774a154e06
commit: ad68d8bf085421e4f22731c8b64c0b774a154e06 [28/28] rcu/nocb: Add an option to offload all CPUs on boot
config: riscv-randconfig-r024-20220420 (https://download.01.org/0day-ci/archive/20220420/202204201732.oTzYh0Xo-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/ammarfaizi2/linux-block/commit/ad68d8bf085421e4f22731c8b64c0b774a154e06
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/dev
        git checkout ad68d8bf085421e4f22731c8b64c0b774a154e06
        # 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=riscv SHELL=/bin/bash kernel/

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

All warnings (new ones prefixed by >>):

   In file included from kernel/rcu/tree.c:5031:
>> kernel/rcu/tree_nocb.h:1213:3: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation]
                   offload_all = false; /* NO_HZ_FULL has its own mask. */
                   ^
   kernel/rcu/tree_nocb.h:1211:2: note: previous statement is here
           if (tick_nohz_full_running && !cpumask_empty(tick_nohz_full_mask))
           ^
   kernel/rcu/tree_nocb.h:1198:6: warning: unused variable 'cpu' [-Wunused-variable]
           int cpu;
               ^
   kernel/rcu/tree_nocb.h:1199:7: warning: variable 'need_rcu_nocb_mask' set but not used [-Wunused-but-set-variable]
           bool need_rcu_nocb_mask = false;
                ^
   kernel/rcu/tree_nocb.h:1200:7: warning: variable 'offload_all' set but not used [-Wunused-but-set-variable]
           bool offload_all = false;
                ^
   kernel/rcu/tree_nocb.h:1201:19: warning: unused variable 'rdp' [-Wunused-variable]
           struct rcu_data *rdp;
                            ^
   kernel/rcu/tree_nocb.h:1217:2: error: expected identifier or '('
           if (need_rcu_nocb_mask) {
           ^
   kernel/rcu/tree_nocb.h:1227:2: error: expected identifier or '('
           if (!rcu_state.nocb_is_setup)
           ^
   kernel/rcu/tree_nocb.h:1231:2: error: expected identifier or '('
           if (tick_nohz_full_running)
           ^
   kernel/rcu/tree_nocb.h:1235:2: error: expected identifier or '('
           if (offload_all)
           ^
   kernel/rcu/tree_nocb.h:1238:2: error: expected identifier or '('
           if (!cpumask_subset(rcu_nocb_mask, cpu_possible_mask)) {
           ^
   kernel/rcu/tree_nocb.h:1243:2: error: expected identifier or '('
           if (cpumask_empty(rcu_nocb_mask))
           ^
   kernel/rcu/tree_nocb.h:1245:2: error: expected identifier or '('
           else
           ^
   kernel/rcu/tree_nocb.h:1248:2: error: expected identifier or '('
           if (rcu_nocb_poll)
           ^
   kernel/rcu/tree_nocb.h:1251:2: error: expected identifier or '('
           for_each_cpu(cpu, rcu_nocb_mask) {
           ^
   include/linux/cpumask.h:276:2: note: expanded from macro 'for_each_cpu'
           for ((cpu) = -1;                                \
           ^
   In file included from kernel/rcu/tree.c:5031:
   kernel/rcu/tree_nocb.h:1259:2: error: type specifier missing, defaults to 'int' [-Werror,-Wimplicit-int]
           rcu_organize_nocb_kthreads();
           ^
   kernel/rcu/tree_nocb.h:1259:28: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
           rcu_organize_nocb_kthreads();
                                     ^
                                      void
   kernel/rcu/tree_nocb.h:1259:2: error: conflicting types for 'rcu_organize_nocb_kthreads'
           rcu_organize_nocb_kthreads();
           ^
   kernel/rcu/tree.h:463:20: note: previous declaration is here
   static void __init rcu_organize_nocb_kthreads(void);
                      ^
   In file included from kernel/rcu/tree.c:5031:
   kernel/rcu/tree_nocb.h:1260:1: error: extraneous closing brace ('}')
   }
   ^
   5 warnings and 13 errors generated.


vim +/if +1213 kernel/rcu/tree_nocb.h

  1209	
  1210	#if defined(CONFIG_NO_HZ_FULL)
  1211		if (tick_nohz_full_running && !cpumask_empty(tick_nohz_full_mask))
  1212			need_rcu_nocb_mask = true;
> 1213			offload_all = false; /* NO_HZ_FULL has its own mask. */
  1214		}
  1215	#endif /* #if defined(CONFIG_NO_HZ_FULL) */
  1216	
  1217		if (need_rcu_nocb_mask) {
  1218			if (!cpumask_available(rcu_nocb_mask)) {
  1219				if (!zalloc_cpumask_var(&rcu_nocb_mask, GFP_KERNEL)) {
  1220					pr_info("rcu_nocb_mask allocation failed, callback offloading disabled.\n");
  1221					return;
  1222				}
  1223			}
  1224			rcu_state.nocb_is_setup = true;
  1225		}
  1226	
  1227		if (!rcu_state.nocb_is_setup)
  1228			return;
  1229	

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