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-rw-r--r--tools/testing/selftests/net/lib.sh3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/lib.sh b/tools/testing/selftests/net/lib.sh
index f9fe182dfbd4..5b366cc4fc43 100644
--- a/tools/testing/selftests/net/lib.sh
+++ b/tools/testing/selftests/net/lib.sh
@@ -4,7 +4,8 @@
##############################################################################
# Defines
-WAIT_TIMEOUT=${WAIT_TIMEOUT:=20}
+: "${WAIT_TIMEOUT:=20}"
+
BUSYWAIT_TIMEOUT=$((WAIT_TIMEOUT * 1000)) # ms
# Kselftest framework requirement - SKIP code is 4.