From aa04dac66f2ee949e8789a3c91090b01646f2e57 Mon Sep 17 00:00:00 2001
From: "Neal H. Walfield" <neal@gnu.org>
Date: Mon, 11 May 2015 16:14:18 +0200
Subject: [PATCH] Fix memory allocation in pinentry_setbufferlen.

* pinentry/pinentry.c (pinentry_setbufferlen): Set PIN->PIN to a
buffer that is LEN bytes large, not 2 * PIN->PIN_LENGTH.
---
 pinentry/pinentry.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pinentry/pinentry.c b/pinentry/pinentry.c
index 51c873c..f28c576 100644
--- a/pinentry/pinentry.c
+++ b/pinentry/pinentry.c
@@ -356,11 +356,11 @@ pinentry_setbufferlen (pinentry_t pin, int len)
   char *newp;
   if (len < pinentry.pin_len)
     return NULL;
-  newp = secmem_realloc (pin->pin, 2 * pin->pin_len);
+  newp = secmem_realloc (pin->pin, len);
   if (newp)
     {
       pin->pin = newp;
-      pin->pin_len *= 2;
+      pin->pin_len = len;
     }
   else
     {
-- 
2.1.4