Don't warn unsuccessful ioctl when the loop device isn't bound

* errno is set to ENXIO in this case

Test: 'adb logcat'
Change-Id: I63227aaa3cde0b5382d535f87fa74fe5aa865eb8
1 file changed
tree: f1ea55a9b0d781af20c38ce4ae28688de03b7c79
  1. apexd/
  2. apexer/
  3. tests/
  4. OWNERS
  5. PREUPLOAD.cfg