Re: Linux Kernel: NP dereference on removing usb device

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On Fri, 12 Oct 2012, L N Wirz wrote:

> Dear Alan,
> 
> I found your address on the lkml when I looked for someone who recently
> worked on the usb subsystem.

Messages like this should always be CC'ed to the linux-usb mailing 
list.

> I've encountered a reproducible kernel oops, when I remove a (Garmin)
> GPS-device that is bound to /dev/ttyUSB0.  Removing can either be
> physical unplugging or telling the gps-device to switch to be a mass
> storage device.  This oops doesn't crash the whole machine, but
> /dev/ttyUSB) becomes unavailable, and suspending to ram leads to a crash.

Your problem is fixed by this patch, which was submitted yesterday:

	http://marc.info/?l=linux-usb&m=134989262623097&w=2

Alan Stern

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