tree f139d62c431b8ef7973e7b58bf27a4afcd19bdec
parent f288f7b8656b882a66b3c3a73414f1991858b5b2
author Milton D. Miller II <miltonm@us.ibm.com> 1464046521 -0500
committer Milton Miller <miltonm@us.ibm.com> 1465934473 -0500

initfs: update: no error if no files to copy to ram

If the saved files directory is empty because there were no files in
the read-write overlay file system that were in the persistent file
list, then the save directory will not exist, so skip copying the
non-existant directory in that case.

Signed-off-by: Milton Miller <miltonm@us.ibm.com>