linux-kernel - Re: [PATCH 1/2] mcb: Correctly initialize the bus's device

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Date:	Fri, 18 Mar 2016 22:04:04 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Johannes Thumshirn <jthumshirn@...e.de>
Cc:	kbuild-all@...org, Johannes Thumshirn <jthumshirn@...e.de>,
	Andreas Werner <andreas.werner@....de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mcb: Correctly initialize the bus's device

Hi Johannes,

[auto build test ERROR on v4.5-rc7]
[also build test ERROR on next-20160318]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Johannes-Thumshirn/mcb-export-FPGA-information-via-sysfs/20160318-215254
config: x86_64-randconfig-x001-201611 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

Note: the linux-review/Johannes-Thumshirn/mcb-export-FPGA-information-via-sysfs/20160318-215254 HEAD c6d1aabc2067586d00c2b367c36e8b0df9a151ce builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/mcb/mcb-core.c: In function 'mcb_alloc_bus':
>> drivers/mcb/mcb-core.c:208:19: error: 'mcb_carrier_device_type' undeclared (first use in this function)
     bus->dev.type = &mcb_carrier_device_type;
                      ^
   drivers/mcb/mcb-core.c:208:19: note: each undeclared identifier is reported only once for each function it appears in

vim +/mcb_carrier_device_type +208 drivers/mcb/mcb-core.c

   202		bus->bus_nr = bus_nr;
   203		bus->carrier = carrier;
   204	
   205		device_initialize(&bus->dev);
   206		bus->dev.parent = carrier;
   207		bus->dev.bus = &mcb_bus_type;
 > 208		bus->dev.type = &mcb_carrier_device_type;
   209	
   210		dev_set_name(&bus->dev, "mcb:%d", bus_nr);
   211		rc = device_add(&bus->dev);

---
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