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Unverified Commit 0f687d82 authored by Thierry Reding's avatar Thierry Reding Committed by Mark Brown
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ASoC: simple-card-utils: Propagate errors on too many links



The DAI counting code doesn't propagate errors when the number of
maximum links is exceeded, which causes subsequent initialization code
to continue to run and that eventually leads to memory corruption with
the code trying to access memory that is out of bounds.

Fix this by propagating errors when the maximum number of links is
reached, which ensures that the driver fails to load and prevents the
memory corruption.

Fixes: f2138aed ("ASoC: simple-card-utils: enable flexible CPU/Codec/Platform")
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210416071147.2149109-1-thierry.reding@gmail.com


Reviewed-by: default avatarJon Hunter <jonathanh@nvidia.com>
Tested-by: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d9714003
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