On Fri, 2021-07-23 at 11:50 -0600, Logan Gunthorpe wrote:
> 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) ||

Acked-by: Niklas Schnelle <schne...@linux.ibm.com>

Thanks!

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