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(parent: 183dc86) | patch
dma-mapping: return error code from dma_dummy_map_sg()
authorMartin Oliveira <martin.oliveira@eideticom.com>
Thu, 29 Jul 2021 20:15:38 +0000 (14:15 -0600)
committerChristoph Hellwig <hch@lst.de>
Mon, 9 Aug 2021 15:13:06 +0000 (17:13 +0200)
commit66ab63104f9cab09209851fef168f5972d791903
treee476b97c862cdf8323469828bc364b2deeafb018tree | snapshot
parent183dc86335e69f516b94f169afd784cf97cb8421commit | diff
dma-mapping: return error code from dma_dummy_map_sg()

The .map_sg() op now expects an error code instead of zero on failure.

The only errno to return is -EINVAL in the case when DMA is not
supported.

Signed-off-by: Martin Oliveira <martin.oliveira@eideticom.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
kernel/dma/dummy.c diff | blob | history
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