Hi Yunjian, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Yunjian-Wang/xsk-Remove-non-zero-dma_page-check-in-xp_assign_dev/20240228-190840 base: net-next/main patch link: https://lore.kernel.org/r/1709118356-133960-1-git-send-email-wangyunjian%40huawei.com patch subject: [PATCH net-next v2 3/3] tun: AF_XDP Tx zero-copy support config: i386-randconfig-012-20240229 (https://download.01.org/0day-ci/archive/20240229/202402291828.G9c5tW50-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240229/202402291828.G9c5tW50-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202402291828.G9c5tW50-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/vhost/net.c: In function 'vhost_net_buf_peek_len': >> drivers/vhost/net.c:206:27: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] struct xdp_desc *desc = tun_ptr_to_xdp_desc(ptr); ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +206 drivers/vhost/net.c 198 199 static int vhost_net_buf_peek_len(void *ptr) 200 { 201 if (tun_is_xdp_frame(ptr)) { 202 struct xdp_frame *xdpf = tun_ptr_to_xdp(ptr); 203 204 return xdpf->len; 205 } else if (tun_is_xdp_desc_frame(ptr)) { > 206 struct xdp_desc *desc = tun_ptr_to_xdp_desc(ptr); 207 208 return desc->len; 209 } 210 211 return __skb_array_len_with_tag(ptr); 212 } 213 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki