[pm:build-test 122/130] drivers/acpi/acpica/psutils.c:97:27: error: implicit declaration of function 'acpi_ut_safe_strncpy'

[kbuild test robot <fengguang.wu@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git build-test
head:   3fd9789833d2e4a4a10ec7cf20b762290ed50b62
commit: fe2aa18300b9b49d94e509f045602beca40db0aa [122/130] ACPICA: Create and deploy safe version of strncpy
config: x86_64-randconfig-s2-01042137 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
        git checkout fe2aa18300b9b49d94e509f045602beca40db0aa
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from drivers/acpi/acpica/accommon.h:56:0,
                    from drivers/acpi/acpica/psutils.c:45:
   drivers/acpi/acpica/psutils.c: In function 'acpi_ps_init_op':
>> drivers/acpi/acpica/psutils.c:97:27: error: implicit declaration of function 'acpi_ut_safe_strncpy' [-Werror=implicit-function-declaration]
     ACPI_DISASM_ONLY_MEMBERS(acpi_ut_safe_strncpy(op->common.aml_op_name,
                              ^
   drivers/acpi/acpica/aclocal.h:753:41: note: in definition of macro 'ACPI_DISASM_ONLY_MEMBERS'
    #define ACPI_DISASM_ONLY_MEMBERS(a)     a;
                                            ^
   cc1: some warnings being treated as errors

vim +/acpi_ut_safe_strncpy +97 drivers/acpi/acpica/psutils.c

  > 45	#include "accommon.h"
    46	#include "acparser.h"
    47	#include "amlcode.h"
    48	#include "acconvert.h"
    49	
    50	#define _COMPONENT          ACPI_PARSER
    51	ACPI_MODULE_NAME("psutils")
    52	
    53	/*******************************************************************************
    54	 *
    55	 * FUNCTION:    acpi_ps_create_scope_op
    56	 *
    57	 * PARAMETERS:  None
    58	 *
    59	 * RETURN:      A new Scope object, null on failure
    60	 *
    61	 * DESCRIPTION: Create a Scope and associated namepath op with the root name
    62	 *
    63	 ******************************************************************************/
    64	union acpi_parse_object *acpi_ps_create_scope_op(u8 *aml)
    65	{
    66		union acpi_parse_object *scope_op;
    67	
    68		scope_op = acpi_ps_alloc_op(AML_SCOPE_OP, aml);
    69		if (!scope_op) {
    70			return (NULL);
    71		}
    72	
    73		scope_op->named.name = ACPI_ROOT_NAME;
    74		return (scope_op);
    75	}
    76	
    77	/*******************************************************************************
    78	 *
    79	 * FUNCTION:    acpi_ps_init_op
    80	 *
    81	 * PARAMETERS:  op              - A newly allocated Op object
    82	 *              opcode          - Opcode to store in the Op
    83	 *
    84	 * RETURN:      None
    85	 *
    86	 * DESCRIPTION: Initialize a parse (Op) object
    87	 *
    88	 ******************************************************************************/
    89	
    90	void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode)
    91	{
    92		ACPI_FUNCTION_ENTRY();
    93	
    94		op->common.descriptor_type = ACPI_DESC_TYPE_PARSER;
    95		op->common.aml_opcode = opcode;
    96	
  > 97		ACPI_DISASM_ONLY_MEMBERS(acpi_ut_safe_strncpy(op->common.aml_op_name,
    98							      (acpi_ps_get_opcode_info
    99							       (opcode))->name,
   100							      sizeof(op->common.
   101								     aml_op_name)));
   102	}
   103	

---
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