[ammarfaizi2-block:google/android/kernel/common/android13-5.10 3194/9999] kernel/module.c:4792:6: warning: no previous prototype for function 'android_debug_for_each_module'

From: kernel test robot
Date: Tue Mar 08 2022 - 20:39:44 EST


Hi Elliot,

FYI, the error/warning still remains.

tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.10
head: 8ffc7ff817fe552592daa2b0de1760e3539663f3
commit: 0bb433e0140efece0a1ce8124283cb68fda33a3f [3194/9999] ANDROID: debug_symbols: Add android_debug_for_each_module
config: i386-randconfig-a013-20220307 (https://download.01.org/0day-ci/archive/20220309/202203090739.89kwW2Yp-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/ammarfaizi2/linux-block/commit/0bb433e0140efece0a1ce8124283cb68fda33a3f
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.10
git checkout 0bb433e0140efece0a1ce8124283cb68fda33a3f
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> kernel/module.c:4792:6: warning: no previous prototype for function 'android_debug_for_each_module' [-Wmissing-prototypes]
void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr, void *data),
^
kernel/module.c:4792:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr, void *data),
^
static
1 warning generated.

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for ASYNC_TX_ENABLE_CHANNEL_SWITCH
Depends on DMADEVICES
Selected by
- GKI_HIDDEN_DMA_CONFIGS


vim +/android_debug_for_each_module +4792 kernel/module.c

4790
4791 #ifdef CONFIG_ANDROID_DEBUG_SYMBOLS
> 4792 void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr, void *data),
4793 void *data)
4794 {
4795 struct module *module;
4796
4797 preempt_disable();
4798 list_for_each_entry_rcu(module, &modules, list) {
4799 if (fn(module->name, module->core_layout.base, data))
4800 goto out;
4801 }
4802 out:
4803 preempt_enable();
4804 }
4805 EXPORT_SYMBOL_GPL(android_debug_for_each_module);
4806 #endif
4807

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx