Hi Simon, 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/Simon-Schippers/__ptr_ring_full_next-Returns-if-ring-will-be-full-after-next-insertion/20250924-180633 base: net-next/main patch link: https://lore.kernel.org/r/20250922221553.47802-9-simon.schippers%40tu-dortmund.de patch subject: [PATCH net-next v5 8/8] vhost_net: Replace rx_ring with calls of TUN/TAP wrappers config: x86_64-kexec (https://download.01.org/0day-ci/archive/20250926/202509262102.4amv1mms-...@intel.com/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/20250926/202509262102.4amv1mms-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202509262102.4amv1mms-...@intel.com/ All errors (new ones prefixed by >>): >> drivers/vhost/net.c:197:3: error: expected expression 197 | WARN_ON_ONCE(); | ^ include/asm-generic/bug.h:111:34: note: expanded from macro 'WARN_ON_ONCE' 111 | int __ret_warn_on = !!(condition); \ | ^ 1 error generated. vim +197 drivers/vhost/net.c 178 179 static int vhost_net_buf_produce(struct vhost_net_virtqueue *nvq, 180 struct sock *sk) 181 { 182 struct file *file = sk->sk_socket->file; 183 struct vhost_net_buf *rxq = &nvq->rxq; 184 185 rxq->head = 0; 186 187 switch (nvq->type) { 188 case TUN: 189 rxq->tail = tun_ring_consume_batched(file, 190 rxq->queue, VHOST_NET_BATCH); 191 break; 192 case TAP: 193 rxq->tail = tap_ring_consume_batched(file, 194 rxq->queue, VHOST_NET_BATCH); 195 break; 196 case IF_NONE: > 197 WARN_ON_ONCE(); 198 } 199 200 return rxq->tail; 201 } 202 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki