lib-master: Fix error logging if reading "instances" file fails

The path was written as "(null)" in the error message (or it crashed in some
OSes).

diff --git a/src/lib-master/master-instance.c b/src/lib-master/master-instance.c
index ebef611812a89cbd5b5c8b28e84f0c71c3fb6bfe..0dd06cd24edb0f88d917bc51282cd9c0f1e972de 100644 (file)
--- a/src/lib-master/master-instance.c
+++ b/src/lib-master/master-instance.c
@@ -121,7 +121,8 @@ static int master_instance_list_refresh(struct master_instance_list *list)
                        i_error("Invalid line in %s: %s", list->path, line);
        } T_END;
        if (input->stream_errno != 0) {
-               i_error("read(%s) failed: %s", line, i_stream_get_error(input));
+               i_error("read(%s) failed: %s", list->path,
+                       i_stream_get_error(input));
                ret = -1;
        }
        i_stream_destroy(&input);