From 1726f536e36e0eeef71b56390402f0b060387fa4 Mon Sep 17 00:00:00 2001
From: Steven Schubiger <stsc@refcnt.org>
Date: Wed, 30 Dec 2020 18:38:30 +0100
Subject: release(): strengthen check for equal pointers

---
 colorize.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/colorize.c b/colorize.c
index b1d9ecc..38b2350 100644
--- a/colorize.c
+++ b/colorize.c
@@ -1927,7 +1927,8 @@ release (struct var_list *list, unsigned int stacked, void **ptr)
     for (i = 0; i < stacked; i++)
       {
         struct var_list *var = &list[i];
-        if (var->ptr == *ptr)
+        if (var->type != IS_UNUSED
+         && var->ptr == *ptr)
           {
             switch (var->type)
               {
-- 
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