Don't leak encoding_str

diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index d227bb278a01adf03e072298e1c435896d8300d7..7f4cd451da7643a9759326b6dd65f881e659451f 100644 (file)
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -3243,6 +3243,7 @@ PHP_FUNCTION(mb_convert_encoding)
                                        } else {
                                                _from_encodings = estrdup(ZSTR_VAL(encoding_str));
                                        }
+                                       zend_string_release(encoding_str);
                                } ZEND_HASH_FOREACH_END();
 
                                if (_from_encodings != NULL && !strlen(_from_encodings)) {