Avoid reporting empty error messages

diff --git a/src/modules/rlm_sql/drivers/rlm_sql_mysql/rlm_sql_mysql.c b/src/modules/rlm_sql/drivers/rlm_sql_mysql/rlm_sql_mysql.c
index 06f5dc96a918d70d3272f6adaf316f88f3dec54a..2d036150f37b8de4cd78d431ecaa79eb01f524fc 100644 (file)
--- a/src/modules/rlm_sql/drivers/rlm_sql_mysql/rlm_sql_mysql.c
+++ b/src/modules/rlm_sql/drivers/rlm_sql_mysql/rlm_sql_mysql.c
@@ -696,6 +696,8 @@ static size_t sql_error(TALLOC_CTX *ctx, sql_log_entry_t out[], size_t outlen,
        if (error && (error[0] != '\0')) {
                error = talloc_asprintf(ctx, "ERROR %u (%s): %s", mysql_errno(conn->sock), error,
                                        mysql_sqlstate(conn->sock));
+       } else {
+               error = NULL;
        }
 
        /*