From: Stefano Stabellini Date: Fri, 21 Nov 2014 16:56:12 +0000 (+0000) Subject: swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single X-Git-Tag: v4.14-rc1~6143^2~22 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c3fc8d26dd09b9d7069687eead849ee81c78e46;p=platform%2Fkernel%2Flinux-rpi.git 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 Acked-by: Konrad Rzeszutek Wilk CC: stable@vger.kernel.org --- 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; }