linux-kernel - Re: [PATCH] acpi: set return value to const char for some functions

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Message-ID: <201510150323.gQ6o60K3%fengguang.wu@intel.com>
Date:	Thu, 15 Oct 2015 03:48:06 +0800
From:	kbuild test robot <lkp@...el.com>
To:	LABBE Corentin <clabbe.montjoie@...il.com>
Cc:	kbuild-all@...org, robert.moore@...el.com, lv.zheng@...el.com,
	rafael.j.wysocki@...el.com, lenb@...nel.org,
	linux-acpi@...r.kernel.org, devel@...ica.org,
	linux-kernel@...r.kernel.org,
	LABBE Corentin <clabbe.montjoie@...il.com>
Subject: Re: [PATCH] acpi: set return value to const char for some functions

Hi LABBE,

[auto build test ERROR on pm/linux-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/LABBE-Corentin/acpi-set-return-value-to-const-char-for-some-functions/20151015-030935
config: i386-randconfig-s1-201541 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> drivers/acpi/acpica/utdecode.c:414:13: error: conflicting types for 'acpi_ut_get_mutex_name'
    const char *acpi_ut_get_mutex_name(u32 mutex_id)
                ^
   In file included from drivers/acpi/acpica/accommon.h:61:0,
                    from drivers/acpi/acpica/utdecode.c:45:
   drivers/acpi/acpica/acutils.h:187:7: note: previous declaration of 'acpi_ut_get_mutex_name' was here
    char *acpi_ut_get_mutex_name(u32 mutex_id);
          ^

vim +/acpi_ut_get_mutex_name +414 drivers/acpi/acpica/utdecode.c

   408		"ACPI_MTX_Caches",
   409		"ACPI_MTX_Memory",
   410		"ACPI_MTX_CommandComplete",
   411		"ACPI_MTX_CommandReady"
   412	};
   413	
 > 414	const char *acpi_ut_get_mutex_name(u32 mutex_id)
   415	{
   416	
   417		if (mutex_id > ACPI_MAX_MUTEX) {

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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