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-rw-r--r--tools/testing/selftests/kselftest/ktap_helpers.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/kselftest/ktap_helpers.sh b/tools/testing/selftests/kselftest/ktap_helpers.sh
index 8fa84b521811..32dbfe9da2c4 100644
--- a/tools/testing/selftests/kselftest/ktap_helpers.sh
+++ b/tools/testing/selftests/kselftest/ktap_helpers.sh
@@ -41,7 +41,7 @@ ktap_skip_all() {
__ktap_test() {
result="$1"
description="$2"
- directive="$3" # optional
+ directive="${3:-}" # optional
local directive_str=
[ ! -z "$directive" ] && directive_str="# $directive"