ARM/dma-mapping: 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/[email protected]/ Suggested-by: Christoph Hellwig <[email protected]> Signed-off-by: Logan Gunthorpe <[email protected]> Cc: Russell King <[email protected]> Cc: Thomas Bogendoerfer <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]>
tadfisher · Aug 9, 2021 · 9cf88ec · 9cf88ec
1 parent 6506932
commit 9cf88ec
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
@@ -1632,7 +1632,6 @@ static int __iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 	for (i = 1; i < nents; i++) {
 		s = sg_next(s);
 
-		s->dma_address = DMA_MAPPING_ERROR;
 		s->dma_length = 0;
 
 		if (s->offset || (size & ~PAGE_MASK) || size + s->length > max) {