From 2e1ccdce152a2b63e6211c1cf448e186c74bf3ac Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Fri, 3 Sep 2021 05:09:26 -0400
Subject: [PATCH] interrogate_terminfo: avoid double-free on error path

---
 src/lib/termdesc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/lib/termdesc.c b/src/lib/termdesc.c
index 78238cc55..77e8c38c8 100644
--- a/src/lib/termdesc.c
+++ b/src/lib/termdesc.c
@@ -745,7 +745,6 @@ int interrogate_terminfo(tinfo* ti, const char* termtype, FILE* out, unsigned ut
     // need to send the identification queries. the controls are sufficient.
     bool minimal = (ti->qterm != TERMINAL_UNKNOWN);
     if(send_initial_queries(ti->ttyfd, minimal)){
-      free(ti->tpreserved);
       goto err;
     }
   }
@@ -755,7 +754,6 @@ int interrogate_terminfo(tinfo* ti, const char* termtype, FILE* out, unsigned ut
   int termerr;
   if(setupterm(termtype, ti->ttyfd, &termerr)){
     logpanic("Terminfo error %d for %s (see terminfo(3ncurses))\n", termerr, termtype);
-    free(ti->tpreserved);
     goto err;
   }
   tname = termname(); // longname() is also available