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[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu Zesty)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1720977

Title:
  [Dell Docking IE][0bda:8153] Realtek USB Ethernet leads to system hang

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Xenial:
  Fix Committed
Status in linux source package in Zesty:
  Fix Committed

Bug description:
  [Impact]
  There is a USB Ethernet port, 0bda:8153, on Dell IE Docking.
  After plugged in the docking, system hard hangs.

  [Fix]
  This issue has been fix after v4.11-rc4, so after bisecting the kernel, we found the first bad commit, and realized this issue is from Realtek USB Ethernet driver with a non-initialized list.
     98d068a r8152: fix the list rx_done may be used without initialization

  [Test Case]
  Verified on the Dell XPS and IE docking, and confirm this patch works.

  [Regression Potential]
  It's a one line patch and do the initialization of the list variable, there should be no any regression would be resulted from this.

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