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[2/2] swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single

Message ID 1416589220-7720-2-git-send-email-stefano.stabellini@eu.citrix.com
State Accepted
Commit 2c3fc8d26dd09b9d7069687eead849ee81c78e46
Headers show

Commit Message

Stefano Stabellini Nov. 21, 2014, 5 p.m. UTC
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>
CC: konrad.wilk@oracle.com
CC: stable@vger.kernel.org
---
 drivers/xen/swiotlb-xen.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 810ad41..5ea1e3c 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;
 	}