[PATCH 1/2] usb: ci_udc: Check ci_ep->desc before use

[Petr Benes]

On 11/25/25 1:26 PM, Marek Vasut wrote:
> [EXTERNAL EMAIL]
>
> On 11/25/25 9:58 AM, Michal Vokáč wrote:
>> From: Petr Beneš <petr.benes at ysoft.com>
>>
>> There are two places where ci_ep->desc could be accessed despite it is
>> not valid at that moment. Either the endpoint has not been enabled yet
>> or it has been disabled meanwhile (The ethernet gadged behaves this way
>> at least.). That results in dereferencing a null pointer.
>
> Is there a test case which triggers this problem ?

e.g. repetitive use of tftp, the first works, second may hang, resets
the system, whatever

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