From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932602AbaKURAt (ORCPT ); Fri, 21 Nov 2014 12:00:49 -0500 Received: from smtp.citrix.com ([66.165.176.89]:48230 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932288AbaKURAr (ORCPT ); Fri, 21 Nov 2014 12:00:47 -0500 X-IronPort-AV: E=Sophos;i="5.07,432,1413244800"; d="scan'208";a="193778965" From: Stefano Stabellini To: CC: , , , , Stefano Stabellini , Subject: [PATCH 2/2] swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single Date: Fri, 21 Nov 2014 17:00:20 +0000 Message-ID: <1416589220-7720-2-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 CC: konrad.wilk@oracle.com CC: stable@vger.kernel.org --- drivers/xen/swiotlb-xen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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; } -- 1.7.10.4