From: Antony Dovgal <tony2001@php.net>
Date: Sun, 14 Nov 2004 13:33:59 +0000 (+0000)
Subject: fix #30780 (tidy segfaults on 'new tidyNode;')
X-Git-Tag: RELEASE_0_2~694
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f85a11f2803b859e3c03d2c197108a00488936fc;p=php

fix #30780 (tidy segfaults on 'new tidyNode;')
---

diff --git a/ext/tidy/tidy.c b/ext/tidy/tidy.c
index 7a87300a7e..ec0151e8ca 100644
--- a/ext/tidy/tidy.c
+++ b/ext/tidy/tidy.c
@@ -497,13 +497,15 @@ static void tidy_object_free_storage(void *object TSRMLS_DC)
 	zend_hash_destroy(intern->std.properties);
 	FREE_HASHTABLE(intern->std.properties);
 
-	intern->ptdoc->ref_count--;
-
-	if (intern->ptdoc->ref_count <= 0) {
-		tidyBufFree(intern->ptdoc->errbuf);
-		efree(intern->ptdoc->errbuf);
-		tidyRelease(intern->ptdoc->doc);
-		efree(intern->ptdoc);
+	if (intern->ptdoc) {
+		intern->ptdoc->ref_count--;
+
+		if (intern->ptdoc->ref_count <= 0) {
+			tidyBufFree(intern->ptdoc->errbuf);
+			efree(intern->ptdoc->errbuf);
+			tidyRelease(intern->ptdoc->doc);
+			efree(intern->ptdoc);
+		}
 	}
 
 	efree(object);