[PATCH v3 13/21] s390/pci: don't set failed sg dma_address to DMA_MAPPING_ERROR

[Logan Gunthorpe]

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.gc13...@lst.de/
Suggested-by: Christoph Hellwig <h...@lst.de>
Signed-off-by: Logan Gunthorpe <log...@deltatee.com>
Cc: Niklas Schnelle <schne...@linux.ibm.com>
Cc: Gerald Schaefer <gerald.schae...@linux.ibm.com>
Cc: Heiko Carstens <h...@linux.ibm.com>
Cc: Vasily Gorbik <g...@linux.ibm.com>
Cc: Christian Borntraeger <borntrae...@de.ibm.com>
---
 arch/s390/pci/pci_dma.c | 1 -
 1 file changed, 1 deletion(-)

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) ||
-- 
2.20.1