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(parent: ce1537f) | patch
mailbox: mtk-cmdq: Validate alias_id on probe
authorFei Shao <fshao@chromium.org>
Thu, 14 Oct 2021 12:03:51 +0000 (20:03 +0800)
committerJassi Brar <jaswinder.singh@linaro.org>
Tue, 19 Oct 2021 17:28:09 +0000 (12:28 -0500)
commit5c154b6a51c2d2d7f266b3ef49b7dd1dc8cb5b65
treeeda1b2de30039a055c2e69f663d4a62fb865e5bbtree | snapshot
parentce1537fe288469bf68ee0aabdb860a790b4755efcommit | diff
mailbox: mtk-cmdq: Validate alias_id on probe

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@chromium.org>
Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
drivers/mailbox/mtk-cmdq-mailbox.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git