Hi Daniel, 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/Daniel-Jurgens/virtio-pci-Expose-generic-device-capability-operations/20250828-024128 base: net-next/main patch link: https://lore.kernel.org/r/20250827183852.2471-9-danielj%40nvidia.com patch subject: [PATCH net-next 08/11] virtio_net: Implement IPv4 ethtool flow rules config: x86_64-randconfig-121-20250828 (https://download.01.org/0day-ci/archive/20250829/202508290723.Hs6BN2g9-lkp@xxxxxxxxx/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250829/202508290723.Hs6BN2g9-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/202508290723.Hs6BN2g9-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) drivers/net/virtio_net/virtio_net_ff.c: note: in included file (through include/linux/virtio_admin.h): include/uapi/linux/virtio_net_ff.h:47:48: sparse: sparse: array of flexible structures include/uapi/linux/virtio_net_ff.h:67:48: sparse: sparse: array of flexible structures drivers/net/virtio_net/virtio_net_ff.c:180:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/virtio_net/virtio_net_ff.c:257:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] vq_index @@ got unsigned long long @@ drivers/net/virtio_net/virtio_net_ff.c:257:27: sparse: expected restricted __le16 [usertype] vq_index drivers/net/virtio_net/virtio_net_ff.c:257:27: sparse: got unsigned long long >> drivers/net/virtio_net/virtio_net_ff.c:361:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] h_proto @@ got int @@ drivers/net/virtio_net/virtio_net_ff.c:361:32: sparse: expected restricted __be16 [usertype] h_proto drivers/net/virtio_net/virtio_net_ff.c:361:32: sparse: got int drivers/net/virtio_net/virtio_net_ff.c:506:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/virtio_net/virtio_net_ff.c:635:13: sparse: sparse: restricted __le32 degrades to integer drivers/net/virtio_net/virtio_net_ff.c:635:13: sparse: sparse: cast to restricted __le32 drivers/net/virtio_net/virtio_net_ff.c:639:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] groups_limit @@ got int @@ drivers/net/virtio_net/virtio_net_ff.c:639:35: sparse: expected restricted __le32 [usertype] groups_limit drivers/net/virtio_net/virtio_net_ff.c:639:35: sparse: got int vim +361 drivers/net/virtio_net/virtio_net_ff.c 347 348 static void setup_eth_hdr_key_mask(struct virtio_net_ff_selector *selector, 349 u8 *key, 350 const struct ethtool_rx_flow_spec *fs, 351 int num_hdrs) 352 { 353 struct ethhdr *eth_m = (struct ethhdr *)&selector->mask; 354 struct ethhdr *eth_k = (struct ethhdr *)key; 355 356 selector->type = VIRTIO_NET_FF_MASK_TYPE_ETH; 357 selector->length = sizeof(struct ethhdr); 358 359 if (num_hdrs > 1) { 360 eth_m->h_proto = cpu_to_be16(0xffff); > 361 eth_k->h_proto = ETH_P_IP; 362 } else { 363 memcpy(eth_m, &fs->m_u.ether_spec, sizeof(*eth_m)); 364 memcpy(eth_k, &fs->h_u.ether_spec, sizeof(*eth_k)); 365 } 366 } 367 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
