Files
linux-stable-mirror/drivers/ntb
Maciej GrochowskiandSasha Levin a11d03d116 ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut
[ Upstream commit 186615f885 ]

Number of MW LUTs depends on NTB configuration and can be set to zero,
in such scenario rounddown_pow_of_two will cause undefined behaviour and
should not be performed.
This patch ensures that rounddown_pow_of_two is called on valid value.

Signed-off-by: Maciej Grochowski <Maciej.Grochowski@sony.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-03-04 07:20:38 -05:00
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