mfd: core: Add locking around 'mfd_of_node_list'

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[ Upstream commit 20117c92bc ]

Manipulating a list in the kernel isn't safe without some sort of
mutual exclusion. Add a mutex any time we access / modify
'mfd_of_node_list' to prevent possible crashes.

Cc: stable@vger.kernel.org
Fixes: 466a62d764 ("mfd: core: Make a best effort attempt to match devices with the correct of_nodes")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patch.msgid.link/20251210113002.1.I6ceaca2cfb7eb25737012b166671f516696be4fd@changeid
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Douglas Anderson 2025-12-10 11:30:03 -08:00 • committed by Sasha Levin

parent 9813306610

commit db131ef9d8

1 changed files with 22 additions and 14 deletions

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drivers/mfd/mfd-core.c

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