fix memleak

diff --git a/ext/standard/string.c b/ext/standard/string.c
index 27b9de94b4b53536c28719e47192bb54226589d9..a39105e20bd4e414963d13bcf0bb643d673f533d 100644 (file)
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -1668,6 +1668,7 @@ PHP_FUNCTION(dirname)
                ZSTR_LEN(ret) = zend_dirname(ZSTR_VAL(ret), str_len);
        } else if (levels < 1) {
                php_error_docref(NULL, E_WARNING, "Invalid argument, levels must be >= 1");
+               zend_string_free(ret);
                return;
        } else {
                /* Some levels up */