From c53b32ffa8d893f64f5dce1f44e08ce9795c251f Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Tue, 19 Dec 2023 15:30:44 +0100
Subject: [PATCH] Plug a potential memory leak

---
 src/spicelib/analysis/cktsetup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/spicelib/analysis/cktsetup.c b/src/spicelib/analysis/cktsetup.c
index 6e22c3b0a..d858fca55 100644
--- a/src/spicelib/analysis/cktsetup.c
+++ b/src/spicelib/analysis/cktsetup.c
@@ -127,6 +127,7 @@ CKTsetup(CKTcircuit *ckt)
 
         /* Allocate space for the matrix diagonal data */
         if(num_nodes > 0) {
+            FREE(ckt->enh->rshunt_data.diag);
             ckt->enh->rshunt_data.diag =
                  TMALLOC(double *, num_nodes);
         }