netdev - [vhost:vhost 29/31] fs/fuse/virtio_fs.c:967:13: error: initialization of 'int (*)(struct virtio_device *, void *)' from incompatible pointer type 'int (*)(struct virtio

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Date:   Thu, 8 Jul 2021 05:21:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     kbuild-all@...ts.01.org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: [vhost:vhost 29/31] fs/fuse/virtio_fs.c:967:13: error:
 initialization of 'int (*)(struct virtio_device *, void *)' from
 incompatible pointer type 'int (*)(struct virtio_device *)'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
head:   168a32fcc18a6f4afb7ea9d4760bf82becc67a43
commit: e397242b72e20f12139d895e4f10da736b2ae0a4 [29/31] virtio: allow passing config data from validate callback
config: microblaze-randconfig-r023-20210707 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?id=e397242b72e20f12139d895e4f10da736b2ae0a4
        git remote add vhost https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git
        git fetch --no-tags vhost vhost
        git checkout e397242b72e20f12139d895e4f10da736b2ae0a4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 

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

All errors (new ones prefixed by >>):

>> fs/fuse/virtio_fs.c:967:13: error: initialization of 'int (*)(struct virtio_device *, void *)' from incompatible pointer type 'int (*)(struct virtio_device *)' [-Werror=incompatible-pointer-types]
     967 |  .probe   = virtio_fs_probe,
         |             ^~~~~~~~~~~~~~~
   fs/fuse/virtio_fs.c:967:13: note: (near initialization for 'virtio_fs_driver.probe')
   cc1: some warnings being treated as errors
--
>> drivers/rpmsg/virtio_rpmsg_bus.c:1049:12: error: initialization of 'int (*)(struct virtio_device *, void *)' from incompatible pointer type 'int (*)(struct virtio_device *)' [-Werror=incompatible-pointer-types]
    1049 |  .probe  = rpmsg_probe,
         |            ^~~~~~~~~~~
   drivers/rpmsg/virtio_rpmsg_bus.c:1049:12: note: (near initialization for 'virtio_ipc_driver.probe')
   cc1: some warnings being treated as errors
--
>> drivers/virtio/virtio_input.c:401:25: error: initialization of 'int (*)(struct virtio_device *, void *)' from incompatible pointer type 'int (*)(struct virtio_device *)' [-Werror=incompatible-pointer-types]
     401 |  .probe               = virtinput_probe,
         |                         ^~~~~~~~~~~~~~~
   drivers/virtio/virtio_input.c:401:25: note: (near initialization for 'virtio_input_driver.probe')
   cc1: some warnings being treated as errors
--
>> drivers/gpu/drm/virtio/virtgpu_drv.c:182:11: error: initialization of 'int (*)(struct virtio_device *, void *)' from incompatible pointer type 'int (*)(struct virtio_device *)' [-Werror=incompatible-pointer-types]
     182 |  .probe = virtio_gpu_probe,
         |           ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/virtio/virtgpu_drv.c:182:11: note: (near initialization for 'virtio_gpu_driver.probe')
   cc1: some warnings being treated as errors


vim +967 fs/fuse/virtio_fs.c

a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  960  
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  961  static struct virtio_driver virtio_fs_driver = {
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  962  	.driver.name		= KBUILD_MODNAME,
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  963  	.driver.owner		= THIS_MODULE,
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  964  	.id_table		= id_table,
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  965  	.feature_table		= feature_table,
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  966  	.feature_table_size	= ARRAY_SIZE(feature_table),
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12 @967  	.probe			= virtio_fs_probe,
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  968  	.remove			= virtio_fs_remove,
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  969  #ifdef CONFIG_PM_SLEEP
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  970  	.freeze			= virtio_fs_freeze,
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  971  	.restore		= virtio_fs_restore,
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  972  #endif
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  973  };
a62a8ef9d97da2 Stefan Hajnoczi 2018-06-12  974  

:::::: The code at line 967 was first introduced by commit
:::::: a62a8ef9d97da23762a588592c8b8eb50a8deb6a virtio-fs: add virtiofs filesystem

:::::: TO: Stefan Hajnoczi <stefanha@...hat.com>
:::::: CC: Miklos Szeredi <mszeredi@...hat.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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