Fix null pointer dereference in UhdmAst::process_net().

chipsalliance · Aug 19, 2023 · ef52253 · ef52253
1 parent 195cd50
commit ef52253
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/systemverilog-plugin/UhdmAst.cc b/systemverilog-plugin/UhdmAst.cc
@@ -4774,7 +4774,9 @@ void UhdmAst::process_net()
  current_node->is_logic = !current_node->is_reg;
  current_node->is_signed = vpi_get(vpiSigned, obj_h);
  visit_one_to_one({vpiTypespec}, obj_h, [&](AST::AstNode *node) {
- if (node && !node->str.empty()) {
+ if (!node)
+ return;
+ if (!node->str.empty()) {
  auto wiretype_node = new AST::AstNode(AST::AST_WIRETYPE);
  wiretype_node->str = node->str;
  // wiretype needs to be 1st node