linux-kernel - Re: [PATCH v1 2/6] mei: Switch to use new generic UUID API

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Date:   Sun, 23 Jul 2017 02:45:30 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     kbuild-all@...org, linux-acpi@...r.kernel.org,
        devel@...uxdriverproject.org, sparmaintainer@...sys.com,
        devel@...verdev.osuosl.org, linux-wireless@...r.kernel.org,
        linux-watchdog@...r.kernel.org, linux-efi@...r.kernel.org,
        Christoph Hellwig <hch@....de>, linux-kernel@...r.kernel.org,
        Lukas Wunner <lukas@...ner.de>,
        Tomas Winkler <tomas.winkler@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Samuel Ortiz <sameo@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH v1 2/6] mei: Switch to use new generic UUID API

Hi Andy,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.13-rc1 next-20170721]
[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/uuid-Convert-rest-users-to-new-API/20170723-022330
config: i386-randconfig-x019-201730 (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=i386 

Note: the linux-review/Andy-Shevchenko/uuid-Convert-rest-users-to-new-API/20170723-022330 HEAD f8d40b52dfac11e78d56509455812bcfe9962ce0 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   In file included from scripts/mod/file2alias.c:44:0:
>> scripts/mod/../../include/linux/mod_devicetable.h:638:2: error: unknown type name 'guid_t'
     guid_t uuid;
     ^~~~~~
   scripts/mod/file2alias.c: In function 'do_mei_entry':
>> scripts/mod/file2alias.c:1233:18: error: incompatible type for argument 2 of 'add_uuid'
     add_uuid(alias, *uuid);
                     ^
   scripts/mod/file2alias.c:137:20: note: expected 'uuid_le {aka struct <anonymous>}' but argument is of type 'int'
    static inline void add_uuid(char *str, uuid_le uuid)
                       ^~~~~~~~
   make[3]: *** [scripts/mod/file2alias.o] Error 1
   make[3]: Target '__build' not remade because of errors.
   make[2]: *** [scripts/mod] Error 2
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [scripts] Error 2
   make[1]: Target 'modules_prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +/guid_t +638 scripts/mod/../../include/linux/mod_devicetable.h

   626	
   627	/**
   628	 * struct mei_cl_device_id - MEI client device identifier
   629	 * @name: helper name
   630	 * @uuid: client GUID
   631	 * @version: client protocol version
   632	 * @driver_info: information used by the driver.
   633	 *
   634	 * identifies mei client device by GUID and name
   635	 */
   636	struct mei_cl_device_id {
   637		char name[MEI_CL_NAME_SIZE];
 > 638		guid_t uuid;
   639		__u8    version;
   640		kernel_ulong_t driver_info;
   641	};
   642	

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