X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fxml.c;h=cd98a79584ce06d1a7ea7c1d276b17631dcb61e3;hb=1a4696b013a95bf9af1580a93dc2e25c97d10b43;hp=ca4814f044d07f2b5c118ad49cd8428069e2a9db;hpb=e08e0d6d920e1f3f154270efc4849d51efd65593;p=wimlib

diff --git a/src/xml.c b/src/xml.c
index ca4814f0..cd98a795 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -1276,6 +1276,7 @@ libxml_global_cleanup(void)
 int
 read_wim_xml_data(WIMStruct *wim)
 {
+	void *buf;
 	u8 *xml_data;
 	xmlDoc *doc;
 	xmlNode *root;
@@ -1287,9 +1288,10 @@ read_wim_xml_data(WIMStruct *wim)
 	DEBUG("Reading XML data: %"PRIu64" bytes at offset %"PRIu64"",
 	      (u64)res_entry->size, res_entry->offset);
 
-	ret = res_entry_to_data(res_entry, wim, (void**)&xml_data);
+	ret = res_entry_to_data(res_entry, wim, &buf);
 	if (ret)
 		goto out;
+	xml_data = buf;
 
 	doc = xmlReadMemory((const char *)xml_data, res_entry->original_size,
 			    NULL, "UTF-16LE", 0);
@@ -1531,6 +1533,9 @@ wimlib_extract_xml_data(WIMStruct *wim, FILE *fp)
 	void *buf;
 	int ret;
 
+	if (!wim->filename)
+		return WIMLIB_ERR_INVALID_PARAM;
+
 	ret = res_entry_to_data(&wim->hdr.xml_res_entry, wim, &buf);
 	if (ret)
 		goto out;