exit script with comments when parameters are wrong during address addition. No need for a message when trying to change MTU with lower values: output is self-explanatory Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx> --- tools/testing/selftests/netfilter/nft_flowtable.sh | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh index 28e32fddf9b2c..c3617d0037f2e 100755 --- a/tools/testing/selftests/netfilter/nft_flowtable.sh +++ b/tools/testing/selftests/netfilter/nft_flowtable.sh @@ -97,9 +97,17 @@ do done ip -net nsr1 link set veth0 mtu $omtu +if [ $? -ne 0 ]; then + exit 1 +fi + ip -net ns1 link set eth0 mtu $omtu ip -net nsr2 link set veth1 mtu $rmtu +if [ $? -ne 0 ]; then + exit 1 +fi + ip -net ns2 link set eth0 mtu $rmtu # transfer-net between nsr1 and nsr2. @@ -119,6 +127,11 @@ for i in 1 2; do ip -net ns$i addr add 10.0.$i.99/24 dev eth0 ip -net ns$i route add default via 10.0.$i.1 ip -net ns$i addr add dead:$i::99/64 dev eth0 + if [ $? -ne 0 ]; then + echo "ERROR: Check Originator/Responder values (problem during address addition)" 1>&2 + exit 1 + fi + ip -net ns$i route add default via dead:$i::1 ip netns exec ns$i sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null -- 2.27.0
