[PATCH] usb: gadget: aspeed_udc: Add check for dma_alloc_coherent

[Jiasheng Jiang]

Thanks, I found my mistake and I will submit a v2.

> And how did you find this potential problem?  What tool did you use and
> why did you not follow the documentation for properly describing the
> tool?

I used a tool I wrote myself to find it, which is unpublished.
Therefore, I think it is okay to submit patches without description of the
tools.

Thanks,
Jiang