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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2014-11-21 17:56:12 +0100 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2014-12-04 13:41:57 +0100 |
| commit | 2c3fc8d26dd09b9d7069687eead849ee81c78e46 (patch) | |
| tree | 4da0b86bc3d128fac4be6daabff3fbd99da2b749 /drivers/xen/swiotlb-xen.c | |
| parent | swiotlb-xen: call xen_dma_sync_single_for_device when appropriate (diff) | |
| download | linux-2c3fc8d26dd09b9d7069687eead849ee81c78e46.tar.xz linux-2c3fc8d26dd09b9d7069687eead849ee81c78e46.zip | |
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/swiotlb-xen.c')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 2 |
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; } |