Re: [Umap2][4/11][0557:2002] NULL pointer dereference

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On 08/16/2016 06:02 PM, Alan Stern wrote:
> On Tue, 16 Aug 2016, Binyamin Sharet wrote:
>
>> Kernel version: raspberrypi 4.4.6-v7+ #871
>> Driver source file: drivers/net/usb/kaweth.c
>> Umap2 command line: umap2vsscan -P <PHY> -s 0557:2002
>>
>> After connecting such a device, NULL pointer dereference in the kernel
>> and USB stops responding.
>>
>> This issue was reproduced with other VID/PIDs that use this driver.
>>
>> Binyamin Sharet
>> Cisco, STARE-C
>>
>> << Attached:  0557_2002_dmesg.log >>
> This looks like a bug in the kaweth driver.  kaweth_probe() assigns
>
> 	kaweth->intf = intf;
>
> but it needs to happen much earlier in the routine, probably along with 
> the initializations of kaweth->dev and kaweth->net.
>
> Alan Stern
>
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kernel: 4.8-rc2
result: not reproduced


-- 
Binyamin Sharet,
Cisco, STARE-C

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