reinserting the mode gives kernel oops with NULL pointer reference

** Attachment added: "kernel log for reinserting"
   
https://bugs.launchpad.net/ubuntu/+source/usb-modeswitch/+bug/1334954/+attachment/4140320/+files/reinsert.txt

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https://bugs.launchpad.net/bugs/1334954

Title:
  Complete HUAWEI Mobile broadband E352 support

Status in “usb-modeswitch” package in Ubuntu:
  New

Bug description:
  usb_modeswitch kernel module tells me to report this bug :)

  The modem works fine, it's just not stable.
  Unplugging and reinserting creates a kernel oops that seems to prevent 
halting the system.

  First time I plugged it in, I got an U-DEV popup error message. A
  little after that, there was a question about PIN code and the modem
  worked.

  Unplugging and reinstering the device, it won't work. I have to
  reboot.

  I added four lines in usb_modeswitch.conf:
  DefaultVendor=12d1
  DefaultProduct=14fe
  TargetVendor=12d1
  TargetProduct=1506

  At the last reboot, this made the U-DEV popup disappear and the modem
  asks for the PIN and works.

  The work_device.txt attachment shows the kernel log for this event.

  I will upload the log for when I unplug and reinsert the device as a
  separate file.

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