From 9cf88ec5e0e876c959389b1e695438f98663b92d Mon Sep 17 00:00:00 2001 From: Logan Gunthorpe Date: Thu, 29 Jul 2021 14:15:25 -0600 Subject: [PATCH] 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/20210716063241.GC13345@lst.de/ Suggested-by: Christoph Hellwig Signed-off-by: Logan Gunthorpe Cc: Russell King Cc: Thomas Bogendoerfer Signed-off-by: Christoph Hellwig --- arch/arm/mm/dma-mapping.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 113b9cb..4b61541 100644 --- 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) { -- 2.7.4