Commit 9a22f2f3 authored Jul 29, 2021 by Martin Oliveira Committed by Christoph Hellwig Aug 09, 2021

parisc: return error code from .map_sg() ops

The .map_sg() op now expects an error code instead of zero on failure.
Return -EINVAL if the ioc cannot be obtained.

Signed-off-by: Martin Oliveira <martin.oliveira@eideticom.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>

parent ba3a0482

drivers/parisc/ccio-dma.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -918,7 +918,7 @@ ccio_map_sg(struct device dev, struct scatterlist sglist, int nents,
		BUG_ON(!dev);
		ioc = GET_IOC(dev);
		if (!ioc)
		return 0;
		return -EINVAL;

		DBG_RUN_SG("%s() START %d entries\n", __func__, nents);

drivers/parisc/sba_iommu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -947,7 +947,7 @@ sba_map_sg(struct device dev, struct scatterlist sglist, int nents,

		ioc = GET_IOC(dev);
		if (!ioc)
		return 0;
		return -EINVAL;

		/* Fast path single entry scatterlists. */
		if (nents == 1) {