Hi Sun, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.16-rc4 next-20211208] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Sun-Shouxin/net-bonding-Add-supp... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c741e49150dbb0c0aebe234389f4aa8b47958fa8 config: nios2-randconfig-r026-20211210 (https://download.01.org/0day-ci/archive/20211211/202112110146.ZZvFe0rG-lk...) compiler: nios2-linux-gcc (GCC) 11.2.0 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://github.com/0day-ci/linux/commit/f86d634c3ced7ec9b5af72e4b92bca681... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sun-Shouxin/net-bonding-Add-support-for-IPV6-ns-na/20211210-210940 git checkout f86d634c3ced7ec9b5af72e4b92bca681be033f7 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/net/bonding/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/net/bonding/bond_alb.c: In function 'alb_change_nd_option': 1318 | icmp6h->icmp6_cksum = csum_ipv6_magic(&ip6hdr->saddr, | ^~~~~~~~~~~~~~~ | csum_tcpudp_magic cc1: some warnings being treated as errors vim +1318 drivers/net/bonding/bond_alb.c 1283 1284 static void alb_change_nd_option(struct sk_buff *skb, void *data) 1285 { 1286 struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb); 1287 struct nd_opt_hdr *nd_opt = (struct nd_opt_hdr *)msg->opt; 1288 struct net_device *dev = skb->dev; 1289 struct icmp6hdr *icmp6h = icmp6_hdr(skb); 1290 struct ipv6hdr *ip6hdr = ipv6_hdr(skb); 1291 u8 *lladdr = NULL; 1292 u32 ndoptlen = skb_tail_pointer(skb) - (skb_transport_header(skb) + 1293 offsetof(struct nd_msg, opt)); 1294 1295 while (ndoptlen) { 1296 int l; 1297 1298 switch (nd_opt->nd_opt_type) { 1299 case ND_OPT_SOURCE_LL_ADDR: 1300 case ND_OPT_TARGET_LL_ADDR: 1301 lladdr = ndisc_opt_addr_data(nd_opt, dev); 1302 break; 1303 1304 default: 1305 lladdr = NULL; 1306 break; 1307 } 1308 1309 l = nd_opt->nd_opt_len << 3; 1310 1311 if (ndoptlen < l || l == 0) 1312 return; 1313 1314 if (lladdr) { 1315 memcpy(lladdr, data, dev->addr_len); 1316 icmp6h->icmp6_cksum = 0; 1317 1319 &ip6hdr->daddr, 1320 ntohs(ip6hdr->payload_len), 1321 IPPROTO_ICMPV6, 1322 csum_partial(icmp6h, 1323 ntohs(ip6hdr->payload_len), 0)); 1324 } 1325 ndoptlen -= l; 1326 nd_opt = ((void *)nd_opt) + l; 1327 } 1328 } 1329 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org