ARM/dma-mapping: return error code from .map_sg() ops

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The .map_sg() op now expects an error code instead of zero on failure.
In the case of a DMA_MAPPING_ERROR, -EIO is returned. Otherwise,
-ENOMEM or -EINVAL is returned depending on the error from
__map_sg_chunk().

Signed-off-by: Martin Oliveira <martin.oliveira@eideticom.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Martin Oliveira 2021-07-29 14:15:24 -06:00 • committed by Christoph Hellwig

parent ca33d26ac6

commit 6506932b32

1 changed files with 16 additions and 9 deletions

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arch/arm/mm/dma-mapping.c

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