[jimc:dd-drm-next 3/8] lib/dynamic_debug.c:1181:52: error: invalid use of undefined type 'struct module'

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

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tree:   https://github.com/jimc/linux.git dd-drm-next
head:   de4e83123751e07399eb4ca43e64c5fde54fc086
commit: 93da4defcb91e3de03021c749a0003f00394433b [3/8] dyndbg: add DEFINE_DYNDBG_BITMAP and callbacks
config: arm64-randconfig-r025-20210803 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 10.3.0
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/jimc/linux/commit/93da4defcb91e3de03021c749a0003f00394433b
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dd-drm-next
        git checkout 93da4defcb91e3de03021c749a0003f00394433b
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross 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 errors (new ones prefixed by >>):

   lib/dynamic_debug.c:1162:5: warning: no previous prototype for 'param_set_dyndbg' [-Wmissing-prototypes]
    1162 | int param_set_dyndbg(const char *instr, const struct kernel_param *kp)
         |     ^~~~~~~~~~~~~~~~
   lib/dynamic_debug.c: In function 'param_set_dyndbg':
>> lib/dynamic_debug.c:1181:52: error: invalid use of undefined type 'struct module'
    1181 |   chgct = dynamic_debug_exec_queries(query, kp->mod->name);
         |                                                    ^~
   lib/dynamic_debug.c: At top level:
   lib/dynamic_debug.c:1191:5: warning: no previous prototype for 'param_get_dyndbg' [-Wmissing-prototypes]
    1191 | int param_get_dyndbg(char *buffer, const struct kernel_param *kp)
         |     ^~~~~~~~~~~~~~~~


vim +1181 lib/dynamic_debug.c

  1161	
> 1162	int param_set_dyndbg(const char *instr, const struct kernel_param *kp)
  1163	{
  1164		unsigned long inbits;
  1165		int rc, i, chgct = 0, totct = 0;
  1166		char query[OUR_QUERY_SIZE];
  1167		struct dyndbg_bitdesc *bitmap = (struct dyndbg_bitdesc *) kp->data;
  1168	
  1169		rc = kstrtoul(instr, 0, &inbits);
  1170		if (rc) {
  1171			pr_err("set_dyndbg: failed\n");
  1172			return -EINVAL;
  1173		}
  1174		vpr_info("set_dyndbg: input 0x%lx\n", inbits);
  1175	
  1176		for (i = 0; !!bitmap[i].prefix; i++) {
  1177	
  1178			sprintf(query, "format '^%s' %cp", bitmap[i].prefix,
  1179				test_bit(i, &inbits) ? '+' : '-');
  1180	
> 1181			chgct = dynamic_debug_exec_queries(query, kp->mod->name);
  1182	
  1183			v2pr_info("bit-%d: %d changes by '%s'\n", i, chgct, query);
  1184			totct += chgct;
  1185		}
  1186		vpr_info("total changes: %d\n", totct);
  1187		return 0;
  1188	}
  1189	EXPORT_SYMBOL(param_set_dyndbg);
  1190	

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

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