linux-kernel - Re: [PATCH v2 3/5] ACPI / bus: Switch to use new generic UUID API

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Message-ID: <201706010728.Luz4Q49P%fengguang.wu@intel.com>
Date:   Thu, 1 Jun 2017 07:56:20 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     kbuild-all@...org, Christoph Hellwig <hch@....de>,
        linux-kernel@...r.kernel.org,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        linux-acpi@...r.kernel.org,
        Dan Williams <dan.j.williams@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Borislav Petkov <bp@...e.de>, intel-gfx@...ts.freedesktop.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v2 3/5] ACPI / bus: Switch to use new generic UUID API

Hi Andy,

[auto build test WARNING on pm/linux-next]
[also build test WARNING on v4.12-rc3 next-20170531]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Andy-Shevchenko/ACPI-et-al-convert-to-use-new-UUID-API/20170601-072311
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: x86_64-randconfig-x010-201722 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/acpi/bus.c: In function 'acpi_run_osc':
   drivers/acpi/bus.c:228:2: error: unknown type name 'guid_t'
     guid_t guid;
     ^~~~~~
   In file included from include/uapi/linux/stddef.h:1:0,
                    from include/linux/stddef.h:4,
                    from include/uapi/linux/posix_types.h:4,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/linux/list.h:4,
                    from include/linux/module.h:9,
                    from drivers/acpi/bus.c:21:
   drivers/acpi/bus.c:234:6: error: implicit declaration of function 'guid_parse' [-Werror=implicit-function-declaration]
     if (guid_parse(context->uuid_str, &guid))
         ^
   include/linux/compiler.h:160:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> drivers/acpi/bus.c:234:2: note: in expansion of macro 'if'
     if (guid_parse(context->uuid_str, &guid))
     ^~
   cc1: some warnings being treated as errors

vim +/if +234 drivers/acpi/bus.c

   218		return AE_OK;
   219	}
   220	EXPORT_SYMBOL_GPL(acpi_str_to_uuid);
   221	
   222	acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context)
   223	{
   224		acpi_status status;
   225		struct acpi_object_list input;
   226		union acpi_object in_params[4];
   227		union acpi_object *out_obj;
   228		guid_t guid;
   229		u32 errors;
   230		struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
   231	
   232		if (!context)
   233			return AE_ERROR;
 > 234		if (guid_parse(context->uuid_str, &guid))
   235			return AE_ERROR;
   236		context->ret.length = ACPI_ALLOCATE_BUFFER;
   237		context->ret.pointer = NULL;
   238	
   239		/* Setting up input parameters */
   240		input.count = 4;
   241		input.pointer = in_params;
   242		in_params[0].type 		= ACPI_TYPE_BUFFER;

---
0-DAY kernel test infrastructure                Open Source Technology Center
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