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when container had no layer data, cleanupContainer crashed 

Signed-off-by: mYmNeo <thomassong@tencent.com>
(cherry picked from commit 0bfc9c8de0)
This commit is contained in:
mYmNeo 2016-04-05 09:30:05 +08:00 committed by Tibor Vass
parent 9e4c6c75f5
commit 5e5e07e106
1 changed files with 8 additions and 4 deletions
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12
daemon/delete.go
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@ -123,10 +123,14 @@ func (daemon *Daemon) cleanupContainer(container *container.Container, forceRemo
return fmt.Errorf("Unable to remove filesystem for %v: %v", container.ID, err)
}
metadata, err := daemon.layerStore.ReleaseRWLayer(container.RWLayer)
layer.LogReleaseMetadata(metadata)
if err != nil && err != layer.ErrMountDoesNotExist {
return fmt.Errorf("Driver %s failed to remove root filesystem %s: %s", daemon.GraphDriverName(), container.ID, err)
// When container creation fails and `RWLayer` has not been created yet, we
// do not call `ReleaseRWLayer`
if container.RWLayer != nil {
metadata, err := daemon.layerStore.ReleaseRWLayer(container.RWLayer)
layer.LogReleaseMetadata(metadata)
if err != nil && err != layer.ErrMountDoesNotExist {
return fmt.Errorf("Driver %s failed to remove root filesystem %s: %s", daemon.GraphDriverName(), container.ID, err)
}
}
return nil