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Subject[ammarfaizi2-block:google/android/kernel/common/android13-5.15 1113/5558] kernel/module.c:4789:6: warning: no previous prototype for function 'android_debug_for_each_module'
Hi Prasad,

FYI, the error/warning still remains.

tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.15
head: 4fa38f9405ba32011fe37e6e77bbbc770026b45d
commit: b2df67a932b5cbd6535de9f1a6e63004992ad014 [1113/5558] ANDROID: android: Create debug_symbols driver
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220328/202203280627.cOFGvbLV-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0f6d9501cf49ce02937099350d08f20c4af86f3d)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/ammarfaizi2/linux-block/commit/b2df67a932b5cbd6535de9f1a6e63004992ad014
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.15
git checkout b2df67a932b5cbd6535de9f1a6e63004992ad014
# 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=arm64 SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> kernel/module.c:4789:6: 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:4789:1: 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
kernel/module.c:4809:6: warning: no previous prototype for function 'module_layout' [-Wmissing-prototypes]
void module_layout(struct module *mod,
^
kernel/module.c:4809:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void module_layout(struct module *mod,
^
static
2 warnings generated.


vim +/android_debug_for_each_module +4789 kernel/module.c

4787
4788 #ifdef CONFIG_ANDROID_DEBUG_SYMBOLS
> 4789 void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr, void *data),
4790 void *data)
4791 {
4792 struct module *module;
4793 preempt_disable();
4794 list_for_each_entry_rcu(module, &modules, list) {
4795 if (fn(module->name, module->core_layout.base, data))
4796 goto out;
4797 }
4798 out:
4799 preempt_enable();
4800 }
4801 EXPORT_SYMBOL_NS_GPL(android_debug_for_each_module, MINIDUMP);
4802 #endif
4803

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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