From d2ac525f5269ebf8fc2a81032d0a9e861a2f1744 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Tue, 18 May 2021 23:17:06 +0200
Subject: [PATCH] Plug some more memory leak in TXL transmission line.

---
 src/spicelib/devices/txl/txlsetup.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/spicelib/devices/txl/txlsetup.c b/src/spicelib/devices/txl/txlsetup.c
index ca471b4e2..01192d6d4 100644
--- a/src/spicelib/devices/txl/txlsetup.c
+++ b/src/spicelib/devices/txl/txlsetup.c
@@ -1175,10 +1175,18 @@ static int find_roots(double a1_in, double a2_in, double a3_in,
 int
 TXLdevDelete(GENinstance* inst)
 {
+    VI_list_txl *tmplist, *prevlist;
     TXLinstance* here = (TXLinstance*)inst;
     if (here->txline2)
         tfree(here->txline2);
-    if (here->txline)
+    if (here->txline) {
+        prevlist = tmplist = here->txline->vi_head;
+        while(tmplist) {
+           tmplist = tmplist->next;
+           tfree(prevlist);
+           prevlist = tmplist;
+        }
         tfree(here->txline);
+    }
     return OK;
 }