[android-common:android14-5.15 0/1] kernel/gki_module.c:35:6: warning: no previous prototype for function 'gki_is_module_protected_export'

[android-common:android14-5.15 0/1] kernel/gki_module.c:35:6: warning: no previous prototype for function 'gki_is_module_protected_export'

[kernel test robot]

Hi Ramji,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android14-5.15
head:   9ed6d24476a19dbfb33c7d2b53c623b054bb285f
commit: fd1e768866606ff230280f26faca797bb47bd8c0 [0/1] ANDROID: GKI: Protect exports of protected GKI modules
config: x86_64-buildonly-randconfig-002-20260805 (https://download.01.org/0day-ci/archive/20260805/202608051444.3WgBa7OZ-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project bacfe2950f8218268fcc0a8765644ea0c15f0360)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260805/202608051444.3WgBa7OZ-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/202608051444.3WgBa7OZ-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from <built-in>:3:
   In file included from include/linux/compiler_types.h:80:
   include/linux/compiler-clang.h:24:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined]
      24 | #define __SANITIZE_ADDRESS__
         |         ^
   <built-in>:356:9: note: previous definition is here
     356 | #define __SANITIZE_ADDRESS__ 1
         |         ^
>> kernel/gki_module.c:35:6: warning: no previous prototype for function 'gki_is_module_protected_export' [-Wmissing-prototypes]
      35 | bool gki_is_module_protected_export(const char *name)
         |      ^
   kernel/gki_module.c:35:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      35 | bool gki_is_module_protected_export(const char *name)
         | ^
         | static 
   kernel/gki_module.c:46:6: warning: no previous prototype for function 'gki_is_module_unprotected_symbol' [-Wmissing-prototypes]
      46 | bool gki_is_module_unprotected_symbol(const char *name)
         |      ^
   kernel/gki_module.c:46:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      46 | bool gki_is_module_unprotected_symbol(const char *name)
         | ^
         | static 
   3 warnings generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for USB_PHY
   Depends on [n]: USB_SUPPORT [=n]
   Selected by [y]:
   - GKI_HIDDEN_USB_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_PCM_IEC958
   Depends on [n]: SOUND [=n] && !UML && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_SOC_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for BALLOON_COMPACTION
   Depends on [n]: COMPACTION [=n] && MEMORY_BALLOON [=y]
   Selected by [y]:
   - GKI_HIDDEN_MM_CONFIGS [=y]


vim +/gki_is_module_protected_export +35 kernel/gki_module.c

    29	
    30	/**
    31	 * gki_is_module_protected_export - Is a symbol exported from a protected GKI module?
    32	 *
    33	 * @name:	Symbol being checked against exported symbols from protected GKI modules
    34	 */
  > 35	bool gki_is_module_protected_export(const char *name)
    36	{
    37		return bsearch(name, gki_protected_exports_symbols, NR_PROTECTED_EXPORTS_SYMBOLS,
    38			       MAX_PROTECTED_EXPORTS_NAME_LEN, cmp_name) != NULL;
    39	}
    40	

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