Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2c3fc8d2 authored by Stefano Stabellini's avatar Stefano Stabellini Committed by David Vrabel
Browse files

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: default avatarStefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: stable@vger.kernel.org
parent 9490c6c6

drivers/xen/swiotlb-xen.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -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! */

	/* NOTE: We use dev_addr here, not paddr! */

	if (is_xen_swiotlb_buffer(dev_addr)) {

	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;

		return;

	}

	}