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[ Upstream commit d3867e7148318e12b5d69b64950622f5ed06fe86 ]
Static checker is complaining about the ASID possibly set uninitialized.
This only happens in case of error and this value would be ignored anyway.
A simple fix would be just to initialize the local variable to zero,
this path will only be reached on the first attach to a domain where
the CD is already initialized to zero.
This avoids having to bloat the function with an error path.
Closes: https://lore.kernel.org/linux-iommu/849e3d77-0a3c-43c4-878d-a0e061c8cd61@moroto.mountain/T/#u
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Fixes: 04905c17f648 ("iommu/arm-smmu-v3: Build the whole CD in arm_smmu_make_s1_cd()")
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240604185218.2602058-1-smostafa@google.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
b956989690