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authorStefano Stabellini <stefano.stabellini@eu.citrix.com>2014-11-21 16:56:12 +0000
committerDavid Vrabel <david.vrabel@citrix.com>2014-12-04 12:41:57 +0000
commit2c3fc8d26dd09b9d7069687eead849ee81c78e46 (patch)
tree4da0b86bc3d128fac4be6daabff3fbd99da2b749 /drivers/xen
parent9490c6c67e2f41760de8ece4e4f56f75f84ceb9e (diff)
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swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single
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 <stefano.stabellini@eu.citrix.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> CC: stable@vger.kernel.org
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/swiotlb-xen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 810ad419e34c..5ea1e3c10907 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -451,7 +451,7 @@ 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;
}