[PATCH 1/2] mailbox: mtk-cmdq: Validate alias_id on probe

[Tzung-Bi Shih]

On Thu, Oct 14, 2021 at 05:31:10PM +0800, Fei Shao wrote:
> of_alias_get_id() may return -ENODEV which leads to illegal access to
> the cmdq->clocks array.
> Adding a check over alias_id to prevent the unexpected behavior.
>
> Fixes: 85dfdbfc13ea ("mailbox: cmdq: add multi-gce clocks support for
> mt8195")
> Signed-off-by: Fei Shao <fshao at chromium.org>
Reviewed-by: Tzung-Bi Shih <tzungbi at google.com>