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authorMartin Oliveira <martin.oliveira@eideticom.com>2021-07-29 23:15:34 +0300
committerChristoph Hellwig <hch@lst.de>2021-08-09 18:13:06 +0300
commit9a22f2f3435184df2882b8c6d6999e6ef022331b (patch)
tree6353486bd8144a7bfe02820e5ce3b1db73f606f9
parentba3a0482db879f33863348b81ed9770888d727a9 (diff)
downloadlinux-9a22f2f3435184df2882b8c6d6999e6ef022331b.tar.xz
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>
-rw-r--r--drivers/parisc/ccio-dma.c2
-rw-r--r--drivers/parisc/sba_iommu.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index b5f9ee81a46c..452e72b7bd01 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 -EINVAL;
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..e60690d38d67 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 -EINVAL;
/* Fast path single entry scatterlists. */
if (nents == 1) {