Re: [PATCH 1/2] usb: chipidea: udc: improve error handling on ep_queue

[Felipe Tonello]

Hi Peter,

On Mon, Sep 21, 2015 at 7:29 AM, Peter Chen <peter.chen@xxxxxxxxxxxxx> wrote:
> On Fri, Sep 18, 2015 at 06:12:40PM +0100, eu@xxxxxxxxxxxxxxxxx wrote:
>> From: "Felipe F. Tonello" <eu@xxxxxxxxxxxxxxxxx>
>>
>> _ep_queue() didn't check for errors when using add_td_to_list()
>> which can fail if dma_pool_alloc fails, thus causing a kernel
>
> Would you find the root cause why dma_pool_alloc fails?

Partially. For some reason the udc_irq() is not been called after a
f_midi_transmit(). I am looking into that.

Felipe
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