We'll need to link two objects together to form the fou module. This means the source can't be called fou, the build system expects fou.o to be the combined object. Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> --- net/ipv4/Makefile | 1 + net/ipv4/{fou.c => fou_core.c} | 0 2 files changed, 1 insertion(+) rename net/ipv4/{fou.c => fou_core.c} (100%) diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile index af7d2cf490fb..fabbe46897ce 100644 --- a/net/ipv4/Makefile +++ b/net/ipv4/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_IP_MROUTE) += ipmr.o obj-$(CONFIG_IP_MROUTE_COMMON) += ipmr_base.o obj-$(CONFIG_NET_IPIP) += ipip.o gre-y := gre_demux.o +fou-y := fou_core.o obj-$(CONFIG_NET_FOU) += fou.o obj-$(CONFIG_NET_IPGRE_DEMUX) += gre.o obj-$(CONFIG_NET_IPGRE) += ip_gre.o diff --git a/net/ipv4/fou.c b/net/ipv4/fou_core.c similarity index 100% rename from net/ipv4/fou.c rename to net/ipv4/fou_core.c -- 2.39.0