Re: [PATCH] usb: use mutex_lock in iowarrior_read()

[Oliver Neukum]

On 17.09.24 12:01, Jeongjun Park wrote:

> Okay, I understand. Then I think it would be appropriate to do
> the patch below to prevent blocking, but I have one question.
>
> Currently, many misc usb drivers do not seem to handle the
> O_NONBLOCK flag when using mutex_lock. If this is really

Yes. The quality of many drivers could be improved.
Feel free to make patches. However, the lack of quality elsewhere
does not justify a regression. Hence code fixing drivers already
correctly supporting O_NONBLOCK must be correct in that regard.

> necessary code, I think it would require code modifications to
> other functions inside iowarrior and many misc usb drivers.
>
> What do you think about this?

The formatting seems to be broken. In terms of content it is good.

	Regards
		Oliver