On Sat, Aug 15, 2020 at 7:43 AM David Miller <davem@xxxxxxxxxxxxx> wrote: > > From: Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx> > Date: Thu, 13 Aug 2020 12:44:22 +0800 > > > diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config > > index 3b42c06b..96d2763 100644 > > --- a/tools/testing/selftests/net/config > > +++ b/tools/testing/selftests/net/config > > @@ -31,3 +31,4 @@ CONFIG_NET_SCH_ETF=m > > CONFIG_NET_SCH_NETEM=y > > CONFIG_TEST_BLACKHOLE_DEV=m > > CONFIG_KALLSYMS=y > > +CONFIG_NET_FOU > > You need to assign it a value, not just add it to the file by itself. Oops! Patch re-submitted. Thanks for catching this.