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aufs: log reason why aufs is not supported.

In case aufs driver is not supported because supportsAufs() said so,
it is not possible to get a real reason from the logs.

To fix, log the error returned.

Note we're not using WithError here as the error message itself is the
sole message we want to print (i.e. there's nothing to add to it).

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin 2018-05-03 14:09:32 -07:00 committed by Sebastiaan van Stijn
parent c6e2af5425
commit 91f85d1c78
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@ -86,9 +86,9 @@ type Driver struct {
// Init returns a new AUFS driver.
// An error is returned if AUFS is not supported.
func Init(root string, options []string, uidMaps, gidMaps []idtools.IDMap) (graphdriver.Driver, error) {
// Try to load the aufs kernel module
if err := supportsAufs(); err != nil {
logger.Error(err)
return nil, graphdriver.ErrNotSupported
}