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Subject[PATCH v1 12/16] parisc: return error code from .map_sg() ops
From: Martin Oliveira <martin.oliveira@eideticom.com>

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

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>
---
drivers/parisc/ccio-dma.c | 2 +-
drivers/parisc/sba_iommu.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index b5f9ee81a46c..a3a5cfda3d93 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -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 -ENODEV;

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

diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index dce4cdf786cd..9a6671a230ee 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -947,7 +947,7 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents,

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

/* Fast path single entry scatterlists. */
if (nents == 1) {
--
2.20.1
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