diff options
Diffstat (limited to 'drivers/vfio/vfio_iommu_spapr_tce.c')
| -rw-r--r-- | drivers/vfio/vfio_iommu_spapr_tce.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c index 6b64e45a5269..7048c9198c21 100644 --- a/drivers/vfio/vfio_iommu_spapr_tce.c +++ b/drivers/vfio/vfio_iommu_spapr_tce.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * VFIO: IOMMU DMA mapping support for TCE on POWER * * Copyright (C) 2013 IBM Corp. All rights reserved. * Author: Alexey Kardashevskiy <aik@ozlabs.ru> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Derived from original vfio_iommu_type1.c: * Copyright (C) 2012 Red Hat, Inc. All rights reserved. * Author: Alex Williamson <alex.williamson@redhat.com> @@ -532,7 +529,8 @@ static int tce_iommu_use_page(unsigned long tce, unsigned long *hpa) enum dma_data_direction direction = iommu_tce_direction(tce); if (get_user_pages_fast(tce & PAGE_MASK, 1, - direction != DMA_TO_DEVICE, &page) != 1) + direction != DMA_TO_DEVICE ? FOLL_WRITE : 0, + &page) != 1) return -EFAULT; *hpa = __pa((unsigned long) page_address(page)); |