net: ethernet: mtk_wed: fix possible deadlock if mtk_wed_wo_init fails

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Introduce __mtk_wed_detach() in order to avoid a deadlock in
mtk_wed_attach routine if mtk_wed_wo_init fails since both
mtk_wed_attach and mtk_wed_detach run holding hw_lock mutex.

Fixes: 4c5de09eb0 ("net: ethernet: mtk_wed: add configure wed wo support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Lorenzo Bianconi 2022-12-07 15:04:55 +01:00 • committed by Jakub Kicinski

parent c79e0af5ae

commit 587585e1bb

1 changed files with 12 additions and 5 deletions

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drivers/net/ethernet/mediatek/mtk_wed.c

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