Re: staging: comedi: usbdux: Split a condition check in usbdux_alloc_usb_buffers()

From: SF Markus Elfring
Date: Thu Dec 08 2016 - 10:43:31 EST


> Actually, the original code worked fine,

I got my doubts when some memory allocations are attempted without checking
the desired success immediately.


> and these changes will result in an Oops if the allocations fail. I'll explain why,
> since it isn't obvious without some knowledge of the clean-up strategy used by comedi drivers:

Thanks for your explanation.


> â, and all the other comedi drivers follow the same strategy of leaving clean-up
> to their comedi 'detach' handler.

Are there other source code parts worth for further considerations?

Regards,
Markus