Re: [PATCH v3] HID: nintendo: cleanup LED code

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

Hi Martino,

kernel test robot noticed the following build warnings:

[auto build test WARNING on hid/for-next]
[also build test WARNING on linus/master v6.5 next-20230906]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Martino-Fontana/HID-nintendo-cleanup-LED-code/20230906-221818
base:   https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next
patch link:    https://lore.kernel.org/r/20230906141533.36921-1-tinozzo123%40gmail.com
patch subject: [PATCH v3] HID: nintendo: cleanup LED code
config: arc-randconfig-r033-20230907 (https://download.01.org/0day-ci/archive/20230907/202309070615.yjnCY1YM-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230907/202309070615.yjnCY1YM-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309070615.yjnCY1YM-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/arc/include/asm/ptrace.h:11,
                    from arch/arc/include/asm/unaligned.h:12,
                    from drivers/hid/hid-nintendo.c:26:
   drivers/hid/hid-nintendo.c: In function 'joycon_leds_create':
>> include/linux/compiler.h:55:23: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
      55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
         |                       ^~
   drivers/hid/hid-nintendo.c:1954:17: note: in expansion of macro 'if'
    1954 |                 if (ret)
         |                 ^~
   drivers/hid/hid-nintendo.c:1956:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    1956 |                         return ret;
         |                         ^~~~~~
>> include/linux/compiler.h:55:23: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
      55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
         |                       ^~
   drivers/hid/hid-nintendo.c:1986:17: note: in expansion of macro 'if'
    1986 |                 if (ret)
         |                 ^~
   drivers/hid/hid-nintendo.c:1988:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    1988 |                         return ret;
         |                         ^~~~~~


vim +/if +55 include/linux/compiler.h

2bcd521a684cc9 Steven Rostedt 2008-11-21  49  
2bcd521a684cc9 Steven Rostedt 2008-11-21  50  #ifdef CONFIG_PROFILE_ALL_BRANCHES
2bcd521a684cc9 Steven Rostedt 2008-11-21  51  /*
2bcd521a684cc9 Steven Rostedt 2008-11-21  52   * "Define 'is'", Bill Clinton
2bcd521a684cc9 Steven Rostedt 2008-11-21  53   * "Define 'if'", Steven Rostedt
2bcd521a684cc9 Steven Rostedt 2008-11-21  54   */
a15fd609ad53a6 Linus Torvalds 2019-03-20 @55  #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
a15fd609ad53a6 Linus Torvalds 2019-03-20  56  

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