[android-common:android16-6.12-sp 1/1] kernel/trace/trace_events.c:2807:6: warning: no previous prototype for 'remove_event_from_tracers'

[android-common:android16-6.12-sp 1/1] kernel/trace/trace_events.c:2807:6: warning: no previous prototype for 'remove_event_from_tracers'

[kernel test robot]

Hi Alice,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android16-6.12-sp
head:   f815f5cffc922b8894200a0522dcb04211c469ec
commit: 43c26111cafa87d81570c63d96c497e13ec883da [1/1] ANDROID: binder: unload C Binder trace events
config: arm64-randconfig-003-20260516 (https://download.01.org/0day-ci/archive/20260516/202605160607.pSTEcSVp-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 9.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260516/202605160607.pSTEcSVp-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/202605160607.pSTEcSVp-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/trace/trace_events.c:2807:6: warning: no previous prototype for 'remove_event_from_tracers' [-Wmissing-prototypes]
    2807 | void remove_event_from_tracers(struct trace_event_call *call)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~


vim +/remove_event_from_tracers +2807 kernel/trace/trace_events.c

  2806	
> 2807	void remove_event_from_tracers(struct trace_event_call *call)
  2808	{
  2809		struct trace_event_file *file;
  2810		struct trace_array *tr;
  2811	
  2812		do_for_each_event_file_safe(tr, file) {
  2813			if (file->event_call != call)
  2814				continue;
  2815	
  2816			remove_event_file_dir(file);
  2817			/*
  2818			 * The do_for_each_event_file_safe() is
  2819			 * a double loop. After finding the call for this
  2820			 * trace_array, we use break to jump to the next
  2821			 * trace_array.
  2822			 */
  2823			break;
  2824		} while_for_each_event_file();
  2825	}
  2826	

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https://github.com/intel/lkp-tests/wiki