[PATCH v2 16/21] parisc: return error code from .map_sg() ops
From: Logan Gunthorpe <logang@deltatee.com>
Date: 2021-07-23 17:50:57
Also in:
linux-alpha, linux-iommu, linux-mips, linux-s390, linuxppc-dev, lkml, sparclinux, xen-devel
Subsystem:
parisc architecture, the rest · Maintainers:
"James E.J. Bottomley", Helge Deller, Linus Torvalds
From: Martin Oliveira <redacted> 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 <redacted> 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..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) {
--
2.20.1
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