[android-common:android16-6.12 0/1] kernel/trace/trace_events.c:2807:6: warning: no previous prototype for 'remove_event_from_tracers'

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

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   40a0822d3077aa3125c0b421d5716271cf88e85b
commit: 43c26111cafa87d81570c63d96c497e13ec883da [0/1] ANDROID: binder: unload C Binder trace events
config: i386-buildonly-randconfig-003-20251022 (https://download.01.org/0day-ci/archive/20251022/202510220327.umgvCAPD-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251022/202510220327.umgvCAPD-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/202510220327.umgvCAPD-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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