Prevent double free.

diff --git a/ext/pgsql/pgsql.c b/ext/pgsql/pgsql.c
index bbcbd2362ccfdf138fc5c34b558ae75789e6c09e..1d63ec264d1539b57814ac3556be898ada1caebb 100644 (file)
--- a/ext/pgsql/pgsql.c
+++ b/ext/pgsql/pgsql.c
@@ -356,8 +356,11 @@ static void _php_pgsql_notice_handler(void *resource_id, const char *message)
 static void _php_pgsql_notice_ptr_dtor(void **ptr) 
 {
        php_pgsql_notice *notice = (php_pgsql_notice *)*ptr;
-       efree(notice->message);
-       efree(notice);
+       if (notice) {
+               efree(notice->message);
+               efree(notice);
+               notice = NULL;
+       }
 }
 /* }}} */