linux-kernel - [jgunthorpe:vfio_v5.18 16/25] drivers/vfio/pci/vfio_pci_zdev.c:112:5: warning: no previous prototype for 'vfio_pci_info_zdev_add

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Message-ID: <202203311635.aqHHbSIK-lkp@intel.com>
Date:   Thu, 31 Mar 2022 16:54:11 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [jgunthorpe:vfio_v5.18 16/25]
 drivers/vfio/pci/vfio_pci_zdev.c:112:5: warning: no previous prototype for
 'vfio_pci_info_zdev_add_caps'

tree:   https://github.com/jgunthorpe/linux vfio_v5.18
head:   2af6f07c2b38e8b37c41347ff9bd2b2e8b32a8d6
commit: cbf96a0bc2aeb156e3bedee832c2c336953d8df2 [16/25] vfio/pci: Split linux/vfio_pci_core.h
config: s390-defconfig (https://download.01.org/0day-ci/archive/20220331/202203311635.aqHHbSIK-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/jgunthorpe/linux/commit/cbf96a0bc2aeb156e3bedee832c2c336953d8df2
        git remote add jgunthorpe https://github.com/jgunthorpe/linux
        git fetch --no-tags jgunthorpe vfio_v5.18
        git checkout cbf96a0bc2aeb156e3bedee832c2c336953d8df2
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash drivers/vfio/pci/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/vfio/pci/vfio_pci_zdev.c:112:5: warning: no previous prototype for 'vfio_pci_info_zdev_add_caps' [-Wmissing-prototypes]
     112 | int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/vfio_pci_info_zdev_add_caps +112 drivers/vfio/pci/vfio_pci_zdev.c

e6b817d4b8217a9 Matthew Rosato 2020-10-07  108  
e6b817d4b8217a9 Matthew Rosato 2020-10-07  109  /*
e6b817d4b8217a9 Matthew Rosato 2020-10-07  110   * Add all supported capabilities to the VFIO_DEVICE_GET_INFO capability chain.
e6b817d4b8217a9 Matthew Rosato 2020-10-07  111   */
536475109c82841 Max Gurtovoy   2021-08-26 @112  int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,

:::::: The code at line 112 was first introduced by commit
:::::: 536475109c82841126ca341ef0f138e7298880c1 vfio/pci: Rename vfio_pci_device to vfio_pci_core_device

:::::: TO: Max Gurtovoy <mgurtovoy@...dia.com>
:::::: CC: Alex Williamson <alex.williamson@...hat.com>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp