[android-common:android15-6.6-2026-07 0/3] kernel/module/gki_module.c:31:6: warning: no previous prototype for function 'gki_is_module_unprotected_symbol'

[android-common:android15-6.6-2026-07 0/3] kernel/module/gki_module.c:31:6: warning: no previous prototype for function 'gki_is_module_unprotected_symbol'

[kernel test robot]

Hi Ramji,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android15-6.6-2026-07
head:   d6098cc4b9c62a676e9cb18081352e36d55e5480
commit: e9669eeb2f4580e44226cf1b582340f4b6388387 [0/3] ANDROID: GKI: Add module load time symbol protection
config: x86_64-buildonly-randconfig-002-20260805 (https://download.01.org/0day-ci/archive/20260805/202608051251.VBH7c4Ug-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260805/202608051251.VBH7c4Ug-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/202608051251.VBH7c4Ug-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:94:
   include/linux/compiler-clang.h:24:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined]
      24 | #define __SANITIZE_ADDRESS__
         |         ^
   <built-in>:353:9: note: previous definition is here
     353 | #define __SANITIZE_ADDRESS__ 1
         |         ^
>> kernel/module/gki_module.c:31:6: warning: no previous prototype for function 'gki_is_module_unprotected_symbol' [-Wmissing-prototypes]
      31 | bool gki_is_module_unprotected_symbol(const char *name)
         |      ^
   kernel/module/gki_module.c:31:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      31 | bool gki_is_module_unprotected_symbol(const char *name)
         | ^
         | static 
   2 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 CAN_RX_OFFLOAD
   Depends on [n]: NETDEVICES [=n] && CAN_DEV [=n] && CAN_NETLINK [=n]
   Selected by [y]:
   - GKI_HIDDEN_MCP251XFD_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_unprotected_symbol +31 kernel/module/gki_module.c

    25	
    26	/**
    27	 * gki_is_module_unprotected_symbol - Is a symbol unprotected for unsigned module?
    28	 *
    29	 * @name:	Symbol being checked in list of unprotected symbols
    30	 */
  > 31	bool gki_is_module_unprotected_symbol(const char *name)

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