Re: [PATCH] Input: uinput - Allow uinput_request to be interrupted

From: Dmitry Torokhov
Date: Mon Feb 18 2019 - 15:15:50 EST


On Mon, Feb 18, 2019 at 03:21:10PM +0100, Rodrigo Rivas Costa wrote:
> On Sun, Feb 17, 2019 at 09:42:52PM -0300, Marcos Paulo de Souza wrote:
> > - if (!wait_for_completion_timeout(&request->done, 30 * HZ)) {
> > + if (!wait_for_completion_interruptible_timeout(&request->done,
> > + 30 * HZ)) {
> > retval = -ETIMEDOUT;
> > goto out;
> > }
>
> Now this function can succeed or fail because of ETIMEDOUT or an
> interrupt. I think you should return -EINTR or maybe -ESYSRESTART if
> interrupted.

Rodrigo, you are right. Marcos, could you please send updated patch that
returns different error code for timeout vs interrupt condition?

I dropped the patch for now.

Thanks.

--
Dmitry