diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 4a1275990d7e..3d6b21c4b1db 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -1090,6 +1090,41 @@ test_cleanup_ipv4_exception() {
 	test_cleanup_vxlanX_exception 4
 }
 
+run_test() {
+	(
+	tname="$1"
+	tdesc="$2"
+
+	unset IFS
+
+	if [ "$VERBOSE" = "1" ]; then
+		printf "\n##########################################################################\n\n"
+	fi
+
+	eval test_${tname}
+	ret=$?
+
+	if [ $ret -eq 0 ]; then
+		printf "TEST: %-60s  [ OK ]\n" "${tdesc}"
+	elif [ $ret -eq 1 ]; then
+		printf "TEST: %-60s  [FAIL]\n" "${tdesc}"
+		if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+			echo
+			echo "Pausing. Hit enter to continue"
+			read a
+		fi
+		err_flush
+		exit 1
+	elif [ $ret -eq 2 ]; then
+		printf "TEST: %-60s  [SKIP]\n" "${tdesc}"
+		err_flush
+	fi
+
+	return $ret
+	)
+	[ $? -ne 0 ] && exitcode=1
+}
+
 usage() {
 	echo
 	echo "$0 [OPTIONS] [TEST]..."
@@ -1147,33 +1182,7 @@ for t in ${tests}; do
 	done
 	[ $run_this -eq 0 ] && continue
 
-	(
-		unset IFS
-
-		if [ "$VERBOSE" = "1" ]; then
-			printf "\n##########################################################################\n\n"
-		fi
-
-		eval test_${name}
-		ret=$?
-
-		if [ $ret -eq 0 ]; then
-			printf "TEST: %-60s  [ OK ]\n" "${t}"
-		elif [ $ret -eq 1 ]; then
-			printf "TEST: %-60s  [FAIL]\n" "${t}"
-			if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
-				echo
-				echo "Pausing. Hit enter to continue"
-				read a
-			fi
-			err_flush
-			exit 1
-		elif [ $ret -eq 2 ]; then
-			printf "TEST: %-60s  [SKIP]\n" "${t}"
-			err_flush
-		fi
-	)
-	[ $? -ne 0 ] && exitcode=1
+	run_test "${name}" "${t}"
 done
 
 exit ${exitcode}