I think the CL you want is: https://chromium-review.googlesource.com/c/chromiumos/platform/imageloader/+/713637

This bug requires manual review: We are only 3 days from stable.
Please contact the milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), bhthompson@(ChromeOS), abdulsyed@(Desktop)

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When this is reviewed for merge. There's no functional implication to this change, it's just going to cause confusion when folks see --unmount_all fail in the syslog all the time.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/platform/imageloader/+/27ca312bb82df59772edfa6b037d661569679f03

commit 27ca312bb82df59772edfa6b037d661569679f03
Author: Allen Webb <allenwebb@google.com>
Date: Fri Oct 13 17:54:53 2017

imageloader: Fix to error logging for --unmount_all.

BUG= chromium:760007 
BUG= chromium:773924 
TEST=test_that -b amd64-generic <ip:port> platform_ImageLoaderServer

Change-Id: Idf22cd6f52c00ce93a511c3ba54e9b9ea190e682
Reviewed-on: https://chromium-review.googlesource.com/713637
Commit-Ready: Allen Webb <allenwebb@google.com>
Tested-by: Greg Kerr <kerrnel@chromium.org>
Reviewed-by: Greg Kerr <kerrnel@chromium.org>
(cherry picked from commit 1e51d8b63530b571c20edc37c0e336637d1f9e00)
Reviewed-on: https://chromium-review.googlesource.com/718992
Commit-Queue: Greg Kerr <kerrnel@chromium.org>
Trybot-Ready: Greg Kerr <kerrnel@chromium.org>

[modify] https://crrev.com/27ca312bb82df59772edfa6b037d661569679f03/imageloader_main.cc

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

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