Commit af82fe85 authored by Martin Oliveira's avatar Martin Oliveira Committed by Christoph Hellwig
Browse files

MIPS/jazzdma: return error code from jazz_dma_map_sg() 



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

vdma_alloc() may fail for different reasons, but since it only supports
indicating an error via a return of DMA_MAPPING_ERROR, we coalesce the
different reasons into -EIO as is documented on dma_map_sgtable().

Signed-off-by: default avatarMartin Oliveira <martin.oliveira@eideticom.com>
Signed-off-by: default avatarLogan Gunthorpe <logang@deltatee.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 62af5ca5

arch/mips/jazz/jazzdma.c

+1 −1
Original line number Diff line number Diff line
@@ -552,7 +552,7 @@ static int jazz_dma_map_sg(struct device *dev, struct scatterlist *sglist, 
				dir);

		sg->dma_address = vdma_alloc(sg_phys(sg), sg->length);

		if (sg->dma_address == DMA_MAPPING_ERROR)

			return 0;

			return -EIO;

		sg_dma_len(sg) = sg->length;

	}