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authorLogan Gunthorpe <logang@deltatee.com>2021-07-29 14:15:31 -0600
committerChristoph Hellwig <hch@lst.de>2021-08-09 17:13:06 +0200
commit7e4e7d4c54ecc9986041aae84e04280413f2435b (patch)
tree9184e29dcc7c642dc5e8c226346927bc1cf06d23 /arch/s390/pci
parent911ace0ba628424637e42826c8a8b63b89bd5611 (diff)
s390/pci: don't set failed sg dma_address to DMA_MAPPING_ERROR
Setting the ->dma_address to DMA_MAPPING_ERROR is not part of the ->map_sg calling convention, so remove it. Link: https://lore.kernel.org/linux-mips/20210716063241.GC13345@lst.de/ Suggested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Cc: Niklas Schnelle <schnelle@linux.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/s390/pci')
-rw-r--r--arch/s390/pci/pci_dma.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index c78b02012764..be48e5b5bfcf 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -492,7 +492,6 @@ static int s390_dma_map_sg(struct device *dev, struct scatterlist *sg,
for (i = 1; i < nr_elements; i++) {
s = sg_next(s);
- s->dma_address = DMA_MAPPING_ERROR;
s->dma_length = 0;
if (s->offset || (size & ~PAGE_MASK) ||