From 3e2413a6520e5b6d8360395b6b423332abfb3362 Mon Sep 17 00:00:00 2001 From: Avihai Horon Date: Tue, 7 Mar 2023 12:54:36 +0000 Subject: [PATCH] vfio/common: Fix error reporting in vfio_get_dirty_bitmap() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Return -errno instead of -1 if VFIO_IOMMU_DIRTY_PAGES ioctl fails in vfio_get_dirty_bitmap(). Signed-off-by: Avihai Horon Reviewed-by: Cédric Le Goater Link: https://lore.kernel.org/r/20230307125450.62409-2-joao.m.martins@oracle.com Signed-off-by: Alex Williamson --- hw/vfio/common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index bab83c0e55c..9fc305448fa 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -1335,6 +1335,7 @@ static int vfio_get_dirty_bitmap(VFIOContainer *container, uint64_t iova, ret = ioctl(container->fd, VFIO_IOMMU_DIRTY_PAGES, dbitmap); if (ret) { + ret = -errno; error_report("Failed to get dirty bitmap for iova: 0x%"PRIx64 " size: 0x%"PRIx64" err: %d", (uint64_t)range->iova, (uint64_t)range->size, errno); -- 2.39.5