mailbox: mtk-cmdq: Validate alias_id on probe

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[ Upstream commit 5c154b6a51 ]

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: 85dfdbfc13 ("mailbox: cmdq: add multi-gce clocks support for mt8195")
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Fei Shao 2021-10-14 20:03:51 +08:00 • committed by Greg Kroah-Hartman

parent 62a0a0539d

commit ac25924547

1 changed files with 1 additions and 1 deletions

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drivers/mailbox/mtk-cmdq-mailbox.c

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