Currently, the temporary file storing downloaded layer data is only
removed after a successful download or a digest verification error. A
transport-level error does not cause it to be removed. This is a
regression from 1.9 that could cause disk usage to grow until the Docker
daemon is restarted.
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
Upstream-commit: 5a363ce60bee3dc26a433c7e2cee6dc76939849e
Component: engine
1a98d85d03