Re: [RFC net-next 08/13] virtio_net: xsk: bind/unbind xsk for tx

[kernel test robot <lkp@intel.com>]

Hi Xuan,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Xuan-Zhuo/virtio_ring-introduce-vring_need_unmap_buffer/20240716-145043
base:   net-next/main
patch link:    https://lore.kernel.org/r/20240716064628.1950-9-xuanzhuo%40linux.alibaba.com
patch subject: [RFC net-next 08/13] virtio_net: xsk: bind/unbind xsk for tx
config: i386-defconfig (https://download.01.org/0day-ci/archive/20240717/202407171813.IA5TpEmg-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240717/202407171813.IA5TpEmg-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407171813.IA5TpEmg-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/virtio_net.c:57:37: warning: tentative definition of variable with internal linkage has incomplete non-array type 'struct virtio_net_common_hdr' [-Wtentative-definition-incomplete-type]
      57 | static struct virtio_net_common_hdr xsk_hdr;
         |                                     ^
   drivers/net/virtio_net.c:57:15: note: forward declaration of 'struct virtio_net_common_hdr'
      57 | static struct virtio_net_common_hdr xsk_hdr;
         |               ^
   1 warning generated.


vim +57 drivers/net/virtio_net.c

    56	
  > 57	static struct virtio_net_common_hdr xsk_hdr;
    58	

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