On Sat, 2016-01-02 at 06:11 +0300, Vasily Galkin wrote:
> I reverted 823bd3433424aa959499e6fd8f2da842430a8d42 and recompiled cdc_ether
> module for debian's 4.4rc6.
> Device begin working normally as usual, no any Oopses or problems.
>
> Attaching lsusb output for this kernel.
>
> Note that this device uses usb mode switching: initially it appears as
> 1076:8001 storage with drivers, and then is swithced to actual networking
> device 1076:8002.
> I\m attaching lsusb -v output for both modes.
Your analysis seems entirely correct, but that doesn't
explain how info->u can be NULL, as commit
f78b52d522f9adfae32af8d7313b51f3af2fcf30
introduces a check for that.
Does your kernel tree have that commit?
Regards
Oliver
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