crypto: hisilicon/hpre - fix dma unmap sequence

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[ Upstream commit 982fd1a74d ]

Perform DMA unmapping operations before processing data.
Otherwise, there may be unsynchronized data accessed by
the CPU when the SWIOTLB is enabled.

Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Signed-off-by: Chenghai Huang <huangchenghai2@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Zhiqi Song 2025-07-18 18:05:01 +08:00 • committed by Greg Kroah-Hartman

parent b06a3c552c

commit 79ec8dabf0

1 changed files with 6 additions and 2 deletions

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drivers/crypto/hisilicon/hpre/hpre_crypto.c

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