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SubjectRe: [BUG Report] BUG: unable to handle kernel NULL pointer dereference at
Date
Liu Bo <liub.liubo@gmail.com> writes:

> I'm using mainline upstream 3.6.0-rc1 compiled based on Fedora-16.
>
> When I unplug my mobile usb card, I hit this:
>
> [ 247.017258] BUG: unable to handle kernel NULL pointer dereference at (null)
> [ 247.017378] IP: [<ffffffffa03bf27f>] stop_read_write_urbs+0x3f/0x90 [usb_wwan]

Thanks for reporting. This should be fixed by

a1028f0 usb: usb_wwan: replace release and disconnect with a port_remove hook

currently in the usb tree, and hopefully going into the next -rc



Bjørn
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