Friendly ping... On 2019/6/12 16:47, YueHaibing wrote: > If CONFIG_IPV6 is not set, building fails: > > net/bridge/netfilter/nf_conntrack_bridge.o: In function `nf_ct_bridge_pre': > nf_conntrack_bridge.c:(.text+0x41c): undefined symbol `nf_ct_frag6_gather' > net/bridge/netfilter/nf_conntrack_bridge.o: In function `nf_ct_bridge_post': > nf_conntrack_bridge.c:(.text+0x820): undefined symbol `br_ip6_fragment' > > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Fixes: c9bb6165a16e ("netfilter: nf_conntrack_bridge: fix CONFIG_IPV6=y") > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> > --- > include/linux/netfilter_ipv6.h | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h > index 3a3dc4b..0e1febc 100644 > --- a/include/linux/netfilter_ipv6.h > +++ b/include/linux/netfilter_ipv6.h > @@ -108,8 +108,11 @@ static inline int nf_ipv6_br_defrag(struct net *net, struct sk_buff *skb, > return 1; > > return v6_ops->br_defrag(net, skb, user); > -#else > +#endif > +#if IS_BUILTIN(CONFIG_IPV6) > return nf_ct_frag6_gather(net, skb, user); > +#else > + return 1; > #endif > } > > @@ -133,8 +136,11 @@ static inline int nf_br_ip6_fragment(struct net *net, struct sock *sk, > return 1; > > return v6_ops->br_fragment(net, sk, skb, data, output); > -#else > +#endif > +#if IS_BUILTIN(CONFIG_IPV6) > return br_ip6_fragment(net, sk, skb, data, output); > +#else > + return 1; > #endif > } > >