Re: [RFC 12/12] module: use aliases to find module on find_module_all()

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

Hi Luis,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on mcgrof/modules-next]
[also build test ERROR on linus/master v6.3-rc1 next-20230310]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Luis-Chamberlain/module-use-goto-errors-on-check_modinfo-and-layout_and_allocate/20230311-131905
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git modules-next
patch link:    https://lore.kernel.org/r/20230311051712.4095040-13-mcgrof%40kernel.org
patch subject: [RFC 12/12] module: use aliases to find module on find_module_all()
config: parisc-randconfig-r002-20230310 (https://download.01.org/0day-ci/archive/20230311/202303112006.6QfJxFRY-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/d92029475386e6bbbea10a2f56a87d37e61a2b38
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Luis-Chamberlain/module-use-goto-errors-on-check_modinfo-and-layout_and_allocate/20230311-131905
        git checkout d92029475386e6bbbea10a2f56a87d37e61a2b38
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash kernel/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303112006.6QfJxFRY-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/module/main.c: In function 'module_name_match':
>> kernel/module/main.c:351:26: error: 'struct module' has no member named 'num_aliases'
     351 |         for (i=0; i < mod->num_aliases; i++) {
         |                          ^~
>> kernel/module/main.c:352:28: error: 'struct module' has no member named 'aliases'
     352 |                 alias = mod->aliases[i];
         |                            ^~


vim +351 kernel/module/main.c

   340	
   341	static bool module_name_match(struct module *mod, const char *name, size_t len)
   342	{
   343		unsigned int i;
   344		const char *alias;
   345	
   346		if (strlen(mod->name) == len && !memcmp(mod->name, name, len))
   347			return true;
   348	
   349		return module_name_match_aliases(mod, name, len);
   350	
 > 351		for (i=0; i < mod->num_aliases; i++) {
 > 352			alias = mod->aliases[i];
   353			if (strlen(alias) == len && !memcmp(alias, name, len)) {
   354				pr_debug("module %s alias matched: alias[%u] = %s\n",
   355					 mod->name, i, alias);
   356				return true;
   357			}
   358		}
   359	
   360		return false;
   361	}
   362	

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https://github.com/intel/lkp-tests