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vfio/common: Fix error reporting in vfio_get_dirty_bitmap()

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Return -errno instead of -1 if VFIO_IOMMU_DIRTY_PAGES ioctl fails in
vfio_get_dirty_bitmap().

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20230307125450.62409-2-joao.m.martins@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Avihai Horon 2023-03-07 12:54:36 +00:00 committed by Alex Williamson
parent c29a2f40cd
commit 3e2413a652
1 changed files with 1 additions and 0 deletions
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hw/vfio/common.c
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@ -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);