Hi Yingnan, kernel test robot noticed the following build errors:
[auto build test ERROR on net/main] url: https://github.com/intel-lab-lkp/linux/commits/Yingnan-Zhang/ipvs-fix-MTU-check-for-GSO-packets-in-tunnel-mode/20260407-141549 base: net/main patch link: https://lore.kernel.org/r/tencent_CA2C1C219C99D315086BE55E8654AF7E6009%40qq.com patch subject: [PATCH net v2] ipvs: fix MTU check for GSO packets in tunnel mode config: x86_64-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20260407/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260407/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All error/warnings (new ones prefixed by >>): >> net/netfilter/ipvs/ip_vs_xmit.c:115:11: error: expected identifier or '(' >> before 'else' 115 | } else if (skb->len > mtu && | ^~~~ >> net/netfilter/ipvs/ip_vs_xmit.c:119:9: error: expected identifier or '(' >> before 'return' 119 | return false; | ^~~~~~ >> net/netfilter/ipvs/ip_vs_xmit.c:120:1: error: expected identifier or '(' >> before '}' token 120 | } | ^ net/netfilter/ipvs/ip_vs_xmit.c: In function '__mtu_check_toobig_v6': >> net/netfilter/ipvs/ip_vs_xmit.c:115:9: warning: control reaches end of >> non-void function [-Wreturn-type] 115 | } else if (skb->len > mtu && | ^ vim +115 net/netfilter/ipvs/ip_vs_xmit.c 104 105 static inline bool 106 __mtu_check_toobig_v6(const struct sk_buff *skb, u32 mtu) 107 { 108 if (IP6CB(skb)->frag_max_size) { 109 /* frag_max_size tell us that, this packet have been 110 * defragmented by netfilter IPv6 conntrack module. 111 */ 112 if (IP6CB(skb)->frag_max_size > mtu) 113 return true; /* largest fragment violate MTU */ 114 } > 115 } else if (skb->len > mtu && 116 !(skb_is_gso(skb) && skb_gso_validate_network_len(skb, mtu))) { 117 return true; /* Packet size violate MTU size */ 118 } > 119 return false; > 120 } 121 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
