From b47dbc9745932c160893d433220e462bd605f8cd Mon Sep 17 00:00:00 2001
From: Rhodri James <rhodri@kynesim.co.uk>
Date: Tue, 11 Apr 2017 12:44:25 +0100
Subject: [PATCH] Tidy up attribute prefix bindings on error (fixes #17)

---
 expat/lib/xmlparse.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index bcd7306f..2509652f 100644
--- a/expat/lib/xmlparse.c
+++ b/expat/lib/xmlparse.c
@@ -2529,8 +2529,10 @@ doContent(XML_Parser parser,
           return XML_ERROR_NO_MEMORY;
         poolFinish(&tempPool);
         result = storeAtts(parser, enc, s, &name, &bindings);
-        if (result)
+        if (result != XML_ERROR_NONE) {
+          freeBindings(parser, bindings);
           return result;
+        }
         poolFinish(&tempPool);
         if (startElementHandler) {
           startElementHandler(handlerArg, name.str, (const XML_Char **)atts);