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vfio/pds: Always clear the save/restore FDs on reset
[ Upstream commit 8512ed2 ] After reset the VFIO device state will always be put in VFIO_DEVICE_STATE_RUNNING, but the save/restore files will only be cleared if the previous state was VFIO_DEVICE_STATE_ERROR. This can/will cause the restore/save files to be leaked if/when the migration state machine transitions through the states that re-allocates these files. Fix this by always clearing the restore/save files for resets. Fixes: 7dabb1b ("vfio/pds: Add support for firmware recovery") Cc: stable@vger.kernel.org Signed-off-by: Brett Creeley <brett.creeley@amd.com> Reviewed-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Link: https://lore.kernel.org/r/20240228003205.47311-2-brett.creeley@amd.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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