there can be no identifier
diff --git a/libasn1fix/asn1fix_param.c b/libasn1fix/asn1fix_param.c
index 159dbbc..a4d9690 100644
--- a/libasn1fix/asn1fix_param.c
+++ b/libasn1fix/asn1fix_param.c
@@ -134,13 +134,15 @@
* Cleanup the new expression so there is no ptype-related
* stuff hanging around.
*/
- p = strdup(expr->Identifier);
- if(p) {
- free(nex->Identifier);
- nex->Identifier = p;
- } else {
- asn1p_expr_free(nex);
- return -1;
+ if(expr->Identifier) {
+ p = strdup(expr->Identifier);
+ if(p) {
+ free(nex->Identifier);
+ nex->Identifier = p;
+ } else {
+ asn1p_expr_free(nex);
+ return -1;
+ }
}
asn1p_paramlist_free(nex->params);
nex->params = NULL;