Commit 1d3cdeb4 authored by Gaofeng Sheng's avatar Gaofeng Sheng Committed by yan chang
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ANDROID: GKI: dma-buf: add vendor hook for dma_buf_release 



The main function is to check whether the corresponding IOMMU buffer
is unmapped when dmabuf is released, so as to avoid memory coverage
caused by IOMMU.

Bug: 438090847
Change-Id: I56ae3f0994cd4f3d24494b7972e4d89d0f004da8
Signed-off-by: default avatarGaofeng Sheng <gaofeng.sheng@unisoc.com>
(cherry picked from commit 88796505)
parent affdb774
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