AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/vfio
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Michael S. Tsirkin 8160c4e455 vfio: fix ioctl error handling 
Calling return copy_to_user(...) in an ioctl will not
do the right thing if there's a pagefault:
copy_to_user returns the number of bytes not copied
in this case.

Fix up vfio to do
	return copy_to_user(...)) ?
		-EFAULT : 0;

everywhere.

Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-02-28 07:38:52 -07:00
..
pci vfio: fix ioctl error handling 2016-02-28 07:38:52 -07:00
platform vfio: fix ioctl error handling 2016-02-28 07:38:52 -07:00
Kconfig vfio: Include No-IOMMU mode 2015-12-21 15:28:11 -07:00
Makefile vfio: Split virqfd into a separate module for vfio bus drivers 2015-03-17 08:33:38 -06:00
vfio_iommu_spapr_tce.c vfio: powerpc/spapr: Support Dynamic DMA windows 2015-06-11 15:16:55 +10:00
vfio_iommu_type1.c vfio: fix ioctl error handling 2016-02-28 07:38:52 -07:00
vfio_spapr_eeh.c drivers/vfio: Support EEH error injection 2015-05-12 20:33:35 +10:00
vfio.c vfio/noiommu: Don't use iommu_present() to track fake groups 2016-01-27 11:22:25 -07:00
virqfd.c vfio: Split virqfd into a separate module for vfio bus drivers 2015-03-17 08:33:38 -06:00