| Message ID | 1439363150-8661-7-git-send-email-hch@lst.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c index df24b76..7319151 100644 --- a/arch/alpha/kernel/pci-noop.c +++ b/arch/alpha/kernel/pci-noop.c @@ -145,11 +145,7 @@ static int alpha_noop_map_sg(struct device *dev, struct scatterlist *sgl, int ne struct scatterlist *sg; for_each_sg(sgl, sg, nents, i) { - void *va; - - BUG_ON(!sg_page(sg)); - va = sg_virt(sg); - sg_dma_address(sg) = (dma_addr_t)virt_to_phys(va); + sg_dma_address(sg) = (dma_addr_t)sg_phys(sg); sg_dma_len(sg) = sg->length; }
Use sg_phys() instead of virt_to_phys(sg_virt(sg)) so that we don't require a kernel virtual address. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/alpha/kernel/pci-noop.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)