Kir Kolyshkin d59bd66e1b daemon.cleanupContainer: nullify container RWLayer upon release ...

ReleaseRWLayer can and should only be called once (unless it returns
an error), but might be called twice in case of a failure from
`system.EnsureRemoveAll(container.Root)`. This results in the
following error:

> Error response from daemon: driver "XXX" failed to remove root filesystem for YYY: layer not retained

The obvious fix is to set container.RWLayer to nil as soon as
ReleaseRWLayer() succeeds.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Upstream-commit: e9b9e4ace294230c6b8eb010eda564a2541c4564
Component: engine

2018-01-30 18:50:59 -08:00

components/engine

daemon.cleanupContainer: nullify container RWLayer upon release

2018-01-30 18:50:59 -08:00

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