tree 21174b0ac7e05d74185c20bc2b6bbe321bcd64cb
parent b9b8f1de0ab9d4b0e1739d7c0dc4ec232b85a5c3
author Benjamin Gordon <bmgordon@chromium.org> 1501013743 -0600
committer chrome-bot <chrome-bot@chromium.org> 1501279467 -0700

rootdev: Strip partitions less aggressively

In device names like dm-N or loopN, the N is not a partition number and
should not be stripped off.  These can arise for example if run inside a
chroot mounted on a loopback device.

BUG=chromium:748665, chromium:730144
TEST=New unit tests.

Change-Id: If7ecacbfcf00690376cb4ffc75baa45422579085
Reviewed-on: https://chromium-review.googlesource.com/585652
Commit-Ready: Benjamin Gordon <bmgordon@chromium.org>
Tested-by: Benjamin Gordon <bmgordon@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>