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Couple of Missing Null checks

For https://bugzilla.gnome.org/show_bug.cgi?id=734328

Missing Null check could cause crash, if a pointer is dereferenced.

Found problem at two places in valid.c
This commit is contained in:
Gaurav Gupta 2014-08-07 11:19:03 +08:00 committed by Daniel Veillard
parent 1db9969966
commit 658b86c0ea

View File

@ -1798,6 +1798,7 @@ xmlCopyEnumeration(xmlEnumerationPtr cur) {
if (cur == NULL) return(NULL);
ret = xmlCreateEnumeration((xmlChar *) cur->name);
if (ret == NULL) return(NULL);
if (cur->next != NULL) ret->next = xmlCopyEnumeration(cur->next);
else ret->next = NULL;
@ -6996,6 +6997,9 @@ xmlValidGetValidElements(xmlNode *prev, xmlNode *next, const xmlChar **names,
* Creates a dummy node and insert it into the tree
*/
test_node = xmlNewDocNode (ref_node->doc, NULL, BAD_CAST "<!dummy?>", NULL);
if (test_node == NULL)
return(-1);
test_node->parent = parent;
test_node->prev = prev;
test_node->next = next;