return immediately if ckt is NULL

2020-01-18 00:24:10 +01:00 · 2020-01-18 00:24:10 +01:00 · 5f05d217ac
parent 8b8f7ab5b9
commit 5f05d217ac
1 changed files with 3 additions and 0 deletions
--- a/src/spicelib/analysis/cktdest.c
+++ b/src/spicelib/analysis/cktdest.c
@ -28,6 +28,9 @@ CKTdestroy(CKTcircuit *ckt)
    CKTnode *node;
    CKTnode *nnode;

+    if (!ckt)
+        return (E_NOTFOUND);
+

 #ifdef WANT_SENSE2
    if(ckt->CKTsenInfo){