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(parent: 5ab6a91) | patch
dma-mapping: remove leftover NULL device support
authorChristoph Hellwig <hch@lst.de>
Wed, 13 Mar 2019 17:45:21 +0000 (18:45 +0100)
committerChristoph Hellwig <hch@lst.de>
Mon, 8 Apr 2019 15:52:46 +0000 (17:52 +0200)
commitd7e02a931235de0779d44c6f8d211df0eca304b8
tree7083e3fa315feb9609d6328933e51f197035a666tree | snapshot
parent5ab6a91a1cacd827382897a80425df8a2d27744acommit | diff
dma-mapping: remove leftover NULL device support

Most dma_map_ops implementations already had some issues with a NULL
device, or did simply crash if one was fed to them.  Now that we have
cleaned up all the obvious offenders we can stop to pretend we
support this mode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Documentation/DMA-API-HOWTO.txt diff | blob | history
include/linux/dma-mapping.h diff | blob | history
kernel/dma/direct.c diff | blob | history
Domain: System / Kernel;