From 81cb80b578c59a52a17cfd7c7a0571be24906b15 Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Fri, 21 Nov 2014 16:56:12 +0000 Subject: swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single commit 2c3fc8d26dd09b9d7069687eead849ee81c78e46 upstream. Need to pass the pointer within the swiotlb internal buffer to the swiotlb library, that in the case of xen_unmap_single is dev_addr, not paddr. Signed-off-by: Stefano Stabellini Acked-by: Konrad Rzeszutek Wilk Signed-off-by: Greg Kroah-Hartman --- drivers/xen/swiotlb-xen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/xen') diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 1d94316f0ea4..301b08496478 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -390,7 +390,7 @@ static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr, /* NOTE: We use dev_addr here, not paddr! */ if (is_xen_swiotlb_buffer(dev_addr)) { - swiotlb_tbl_unmap_single(hwdev, paddr, size, dir); + swiotlb_tbl_unmap_single(hwdev, dev_addr, size, dir); return; } -- cgit v1.2.3