linux-kernel - Re: [PATCH 2/3] misc/pvpanic : add pci interface for pvpanic

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Date:   Mon, 17 Dec 2018 05:26:39 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Peng Hao <peng.hao2@....com.cn>
Cc:     kbuild-all@...org, gregkh@...uxfoundation.org, arnd@...db.de,
        andy.shevchenko@...il.com, linux-kernel@...r.kernel.org,
        Peng Hao <peng.hao2@....com.cn>
Subject: Re: [PATCH 2/3]  misc/pvpanic : add pci interface for pvpanic

Hi Peng,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on next-20181214]
[cannot apply to v4.20-rc6]
[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/Peng-Hao/misc-pvpanic-return-0-for-empty-body-register-function/20181216-140504
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=sh 

All errors (new ones prefixed by >>):

   drivers//misc/pvpanic.c: In function 'pvpanic_mmio_init':
>> drivers//misc/pvpanic.c:237:28: error: 'pvpanic_pci_driver' undeclared (first use in this function); did you mean 'pvpanic_mmio_driver'?
     r2 = pci_register_driver(&pvpanic_pci_driver);
                               ^~~~~~~~~~~~~~~~~~
                               pvpanic_mmio_driver
   drivers//misc/pvpanic.c:237:28: note: each undeclared identifier is reported only once for each function it appears in
   drivers//misc/pvpanic.c: In function 'pvpanic_mmio_exit':
   drivers//misc/pvpanic.c:251:25: error: 'pvpanic_pci_driver' undeclared (first use in this function); did you mean 'pvpanic_mmio_driver'?
     pci_unregister_driver(&pvpanic_pci_driver);
                            ^~~~~~~~~~~~~~~~~~
                            pvpanic_mmio_driver

vim +237 drivers//misc/pvpanic.c

   228	
   229	static int __init pvpanic_mmio_init(void)
   230	{
   231		int r1, r2;
   232	
   233		if (acpi_disabled)
   234			r1 = platform_driver_register(&pvpanic_mmio_driver);
   235		else
   236			r1 = pvpanic_register_acpi_driver();
 > 237		r2 = pci_register_driver(&pvpanic_pci_driver);
   238	
   239		if (r1 && r2) /* all drivers register failed */
   240			return 1;
   241		else
   242			return 0;
   243	}
   244	

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

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