From 66125fe35345aaf6255a30a42d501383bcbe1bb3 Mon Sep 17 00:00:00 2001
From: Martin <gzlist@googlemail.com>
Date: Thu, 17 Sep 2009 09:59:42 +0200
Subject: [PATCH] QName parsing fix for patterns
To: libvir-list@redhat.com

* libxslt/pattern.c: fix a corner case and avoid a memory leak on
  error

Signed-off-by: Daniel Veillard <veillard@redhat.com>
---
 libxslt/pattern.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libxslt/pattern.c b/libxslt/pattern.c
index ce8d89f..3a639a0 100644
--- a/libxslt/pattern.c
+++ b/libxslt/pattern.c
@@ -1347,7 +1347,7 @@ xsltScanQName(xsltParserContextPtr ctxt, xmlChar **prefix) {
 
     *prefix = NULL;
     ret = xsltScanNCName(ctxt);
-    if (CUR == ':') {
+    if (ret && CUR == ':') {
         *prefix = ret;
 	NEXT;
 	ret = xsltScanNCName(ctxt);
@@ -1587,6 +1587,7 @@ parse_node_test:
 		xsltTransformError(NULL, NULL, NULL,
 	    "xsltCompileStepPattern : no namespace bound to prefix %s\n",
 				 prefix);
+		xmlFree(prefix);
 		ctxt->error = 1;
 		goto error;
 	    } else {
-- 
1.7.11.4