iommu/sprd: Release dma buffer to avoid memory leak

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[ Upstream commit 9afea57384 ]

When attaching to a domain, the driver would alloc a DMA buffer which
is used to store address mapping table, and it need to be released
when the IOMMU domain is freed.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20230331033124.864691-2-zhang.lyra@gmail.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Chunyan Zhang 2023-03-31 11:31:23 +08:00 • committed by Greg Kroah-Hartman

parent f8faa53637

commit 8745f3592e

1 changed files with 22 additions and 7 deletions

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drivers/iommu/sprd-iommu.c

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