tree e476b97c862cdf8323469828bc364b2deeafb018
parent 183dc86335e69f516b94f169afd784cf97cb8421
author Martin Oliveira <martin.oliveira@eideticom.com> 1627589738 -0600
committer Christoph Hellwig <hch@lst.de> 1628521986 +0200

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>