On Wed, Jun 19, 2019 at 02:54:36PM +0200, Arnd Bergmann wrote: > When either CONFIG_IPV6 or CONFIG_SYN_COOKIES are disabled, the kernel > fails to build: > > include/linux/netfilter_ipv6.h:180:9: error: implicit declaration of function '__cookie_v6_init_sequence' > [-Werror,-Wimplicit-function-declaration] > return __cookie_v6_init_sequence(iph, th, mssp); > include/linux/netfilter_ipv6.h:194:9: error: implicit declaration of function '__cookie_v6_check' > [-Werror,-Wimplicit-function-declaration] > return __cookie_v6_check(iph, th, cookie); > net/ipv6/netfilter.c:237:26: error: use of undeclared identifier '__cookie_v6_init_sequence'; did you mean 'cookie_init_sequence'? > net/ipv6/netfilter.c:238:21: error: use of undeclared identifier '__cookie_v6_check'; did you mean '__cookie_v4_check'? > > Fix the IS_ENABLED() checks to match the function declaration > and definitions for these. Applied, thanks Arnd.
