Hi Fernando, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master head: 79ebb5bb4e38a58ca796dd242b855a4982e101d7 commit: 3006a5224f15cf68edc4878799ac6d6089861518 [9/13] netfilter: synproxy: remove module dependency on IPv6 SYNPROXY config: x86_64-randconfig-x006-201924 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 3006a5224f15cf68edc4878799ac6d6089861518 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from net/ipv6/af_inet6.c:45:0: include/linux/netfilter_ipv6.h: In function 'nf_ipv6_cookie_init_sequence': >> include/linux/netfilter_ipv6.h:174:9: error: implicit declaration of function '__cookie_v6_init_sequence'; did you mean 'cookie_init_sequence'? [-Werror=implicit-function-declaration] return __cookie_v6_init_sequence(iph, th, mssp); ^~~~~~~~~~~~~~~~~~~~~~~~~ cookie_init_sequence include/linux/netfilter_ipv6.h: In function 'nf_cookie_v6_check': >> include/linux/netfilter_ipv6.h:189:9: error: implicit declaration of function '__cookie_v6_check'; did you mean '__cookie_v4_check'? [-Werror=implicit-function-declaration] return __cookie_v6_check(iph, th, cookie); ^~~~~~~~~~~~~~~~~ __cookie_v4_check cc1: some warnings being treated as errors vim +174 include/linux/netfilter_ipv6.h 161 162 static inline u32 nf_ipv6_cookie_init_sequence(const struct ipv6hdr *iph, 163 const struct tcphdr *th, 164 u16 *mssp) 165 { 166 #if IS_MODULE(CONFIG_IPV6) 167 const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops(); 168 169 if (v6_ops) 170 return v6_ops->cookie_init_sequence(iph, th, mssp); 171 172 return 0; 173 #else > 174 return __cookie_v6_init_sequence(iph, th, mssp); 175 #endif 176 } 177 178 static inline int nf_cookie_v6_check(const struct ipv6hdr *iph, 179 const struct tcphdr *th, __u32 cookie) 180 { 181 #if IS_MODULE(CONFIG_IPV6) 182 const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops(); 183 184 if (v6_ops) 185 return v6_ops->cookie_v6_check(iph, th, cookie); 186 187 return 0; 188 #else > 189 return __cookie_v6_check(iph, th, cookie); 190 #endif 191 } 192 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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