free errMsg only if available

2020-02-23 20:39:44 +01:00 · 2020-02-23 20:39:44 +01:00 · 565a0994b3
parent 646ac2dbcb
commit 565a0994b3
1 changed files with 2 additions and 1 deletions
--- a/src/spicelib/devices/cktask.c
+++ b/src/spicelib/devices/cktask.c
@ -35,6 +35,7 @@ CKTask(CKTcircuit *ckt, GENinstance *instance, int which, IFvalue *value, IFvalu
    if (error && ft_ngdebug) {
        printf("\nWarning: %s\n", errMsg);
    }
-    FREE(errMsg);
+    if (errMsg)
+        FREE(errMsg);
    return(error);
 }