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Christoph Hellwig e8f52d94ba dma-direct: always leak memory that can't be re-encrypted
[ Upstream commit a90cf30437 ]

We must never let unencrypted memory go back into the general page pool.
So if we fail to set it back to encrypted when freeing DMA memory, leak
the memory instead and warn the user.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-04-19 17:49:46 +08:00
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kernel dma-direct: always leak memory that can't be re-encrypted 2023-04-19 17:49:46 +08:00
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