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linux/kernel/dma
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Christoph Hellwig 8270f3a11c dma-direct: fix DMA_ATTR_NO_KERNEL_MAPPING for remapped allocations 
We need to return a dma_addr_t even if we don't have a kernel mapping.
Do so by consolidating the phys_to_dma call in a single place and jump
to it from all the branches that return successfully.

Fixes: bfd56cd605 ("dma-mapping: support highmem in the generic remap allocator")
Reported-by: Liviu Dudau <liviu@dudau.co.uk
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Liviu Dudau <liviu@dudau.co.uk>
2019-01-05 08:28:29 +01:00
..
coherent.c dma-mapping: remove a few unused exports 2019-01-04 09:03:17 +01:00
contiguous.c dma-mapping: fix panic caused by passing empty cma command line argument 2018-09-20 09:01:08 +02:00
debug.c dma-mapping: remove a few unused exports 2019-01-04 09:03:17 +01:00
direct.c DMA mapping updates for Linux 4.21 2018-12-28 14:12:21 -08:00
dummy.c dma-mapping: factor out dummy DMA ops 2018-12-13 21:06:12 +01:00
Kconfig dma-mapping: always build the direct mapping code 2018-12-13 21:06:11 +01:00
Makefile dma-mapping: factor out dummy DMA ops 2018-12-13 21:06:12 +01:00
mapping.c dma-mapping: remove dmam_{declare,release}_coherent_memory 2019-01-04 09:03:17 +01:00
remap.c dma-direct: fix DMA_ATTR_NO_KERNEL_MAPPING for remapped allocations 2019-01-05 08:28:29 +01:00
swiotlb.c dma-direct: merge swiotlb_dma_ops into the dma_direct code 2018-12-13 21:06:17 +01:00
virt.c dma-mapping: zero memory returned from dma_alloc_* 2018-12-20 08:13:52 +01:00