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-rwxr-xr-xtools/testing/selftests/net/pmtu.sh18
1 files changed, 13 insertions, 5 deletions
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 3253fdc78..9cd5cf800 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -1583,6 +1583,13 @@ check_command() {
return 0
}
+check_running() {
+ pid=${1}
+ cmd=${2}
+
+ [ "$(cat /proc/${pid}/cmdline 2>/dev/null | tr -d '\0')" = "{cmd}" ]
+}
+
test_cleanup_vxlanX_exception() {
outer="${1}"
encap="vxlan"
@@ -1613,11 +1620,12 @@ test_cleanup_vxlanX_exception() {
${ns_a} ip link del dev veth_A-R1 &
iplink_pid=$!
- sleep 1
- if [ "$(cat /proc/${iplink_pid}/cmdline 2>/dev/null | tr -d '\0')" = "iplinkdeldevveth_A-R1" ]; then
- err " can't delete veth device in a timely manner, PMTU dst likely leaked"
- return 1
- fi
+ for i in $(seq 1 20); do
+ check_running ${iplink_pid} "iplinkdeldevveth_A-R1" || return 0
+ sleep 0.1
+ done
+ err " can't delete veth device in a timely manner, PMTU dst likely leaked"
+ return 1
}
test_cleanup_ipv6_exception() {