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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2014-11-21 16:56:12 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-16 06:59:45 -0800 |
| commit | 2129c43d41e997d57a250bb9e86040f83bd9ddc0 (patch) | |
| tree | b24000e683c1dc6af249f826e9bb78808226bb70 /drivers/xen | |
| parent | 2a8ba6426e76d832e1171305d0aa094310c572e6 (diff) | |
| download | linux-stable-2129c43d41e997d57a250bb9e86040f83bd9ddc0.tar.gz linux-stable-2129c43d41e997d57a250bb9e86040f83bd9ddc0.tar.bz2 linux-stable-2129c43d41e997d57a250bb9e86040f83bd9ddc0.zip | |
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 <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/xen')
| -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 f3a9d831d0f9..9df5d6ec7eec 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -449,7 +449,7 @@ 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; } |