From 350cdb1b99341d390320f98ee40e29ec2f864be8 Mon Sep 17 00:00:00 2001
From: Greg Hudson <ghudson@mit.edu>
Date: Fri, 31 Oct 2008 18:35:28 +0000
Subject: [PATCH] Add a few safeties to the k5buf code, to make static analysis
 tools happier

ticket: 6200
status: open

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@20943 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/util/support/k5buf.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/util/support/k5buf.c b/src/util/support/k5buf.c
index 23fb20365..974893d6e 100644
--- a/src/util/support/k5buf.c
+++ b/src/util/support/k5buf.c
@@ -72,8 +72,10 @@ static int ensure_space(struct k5buf *buf, size_t len)
     return 1;
 
  error_exit:
-    if (buf->buftype == DYNAMIC)
+    if (buf->buftype == DYNAMIC) {
         free(buf->data);
+        buf->data = NULL;
+    }
     buf->buftype = ERROR;
     return 0;
 }
@@ -206,4 +208,6 @@ void krb5int_free_buf(struct k5buf *buf)
         return;
     assert(buf->buftype == DYNAMIC);
     free(buf->data);
+    buf->data = NULL;
+    buf->buftype = ERROR;
 }
-- 
2.26.2