[PATCH v3 09/21] MIPS/jazzdma: return error code from jazz_dma_map_sg()
From: Logan Gunthorpe <logang@deltatee.com>
Date: 2021-07-29 20:16:41
Also in:
linux-alpha, linux-iommu, linux-mips, linux-s390, linuxppc-dev, lkml, sparclinux, xen-devel
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
From: Martin Oliveira <redacted> The .map_sg() op now expects an error code instead of zero on failure. vdma_alloc() may fail for different reasons, but since it only supports indicating an error via a return of DMA_MAPPING_ERROR, we coalesce the different reasons into -EIO as is documented on dma_map_sgtable(). Signed-off-by: Martin Oliveira <redacted> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> --- arch/mips/jazz/jazzdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index 461457b28982..eabddb89d221 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c@@ -552,7 +552,7 @@ static int jazz_dma_map_sg(struct device *dev, struct scatterlist *sglist, dir); sg->dma_address = vdma_alloc(sg_phys(sg), sg->length); if (sg->dma_address == DMA_MAPPING_ERROR) - return 0; + return -EIO; sg_dma_len(sg) = sg->length; }
--
2.20.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel