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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 06:59:00 -0800 |
| commit | 81cb80b578c59a52a17cfd7c7a0571be24906b15 (patch) | |
| tree | 64c5ff7fa81e00a7d93ea61e6f3cbd9e3f46ccc7 /drivers | |
| parent | 413706774c9eec19a0484392a278bf3aafd11d3b (diff) | |
| download | lwn-81cb80b578c59a52a17cfd7c7a0571be24906b15.tar.gz lwn-81cb80b578c59a52a17cfd7c7a0571be24906b15.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')
| -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 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; } |