[CRIU] [PATCH 5/5] tty: Use regular files engine to save paths to the peers, v3
Pavel Emelyanov
xemul at parallels.com
Wed Oct 15 03:46:27 PDT 2014
> @@ -988,6 +1168,25 @@ static int collect_one_tty(void *obj, ProtobufCMessage *msg)
> if (verify_info(info))
> return -1;
>
> + info->reg_d = find_file_desc_raw(FD_TYPES__REG, info->tfe->id);
Does this even succeed? The file_desc_add() on info->tfe->id happens at the end
of this function.
> + if (!info->reg_d) {
> + info->reg_d = pty_alloc_fake_reg_d(info, true);
> + if (!info->reg_d) {
> + pr_err("Can't generate new reg_d descriptor for id %#x\n",
> + info->tfe->id);
> + return -1;
> + }
> + }
> +
> + /*
> + * Slave PTYs without master might have
> + * been postfixed as deleted, strip this
> + * part, we will need a valid path on their
> + * opening.
> + */
> + if (info->type == TTY_TYPE_PTS)
> + pty_undelete_reg(info);
> +
> /*
> * The tty peers which have no @termios are hung up,
> * so don't mark them as active, we create them with
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