tree b649945d7635cf7b09ff819cdd69eedeecd21671
parent 52aed33d2cbde7fee3261be72ce7abb62d5ea01f
author Lei YU <yulei.sh@bytedance.com> 1591165742 +0800
committer Lei YU <yulei.sh@bytedance.com> 1591167353 +0800

usb-ctrl: quote variables

Fix some review comments from the above commit.

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I840164b05e83bcd4d01f7f8fca25f316275185aa