Bug fix: segmetation fault when wrong commandline input

1 files changed, 2 insertions, 1 deletions

diff --git a/main.c b/main.c
index 881738d..bf71b39 100644
--- a/main.c
+++ b/main.c
@@ -1202,7 +1202,8 @@ int free_resources()
 
 	ptr_test_node = stm_test_node_list;
 
-	if (is_commandline_mode) { /* there is only one node to release */
+	if (is_commandline_mode && ptr_test_node != NULL) {
+		/* there is only one node to release */
 		/* and no need to free param_array */
 		/* free prvate data */
 		if (ptr_test_node->command_result->private_data != NULL) {