On Wed, Jun 21, 2017 at 10:03:02PM +0200, Stephan Müller wrote:
>
> +     /* convert iovecs of output buffers into RX SGL */
> +     while (len < ctx->used && msg_data_left(msg)) {

How are we supposed to reach the wait path when ctx->used == 0?

> +             /*
> +              * This error covers -EIOCBQUEUED which implies that we can
> +              * only handle one AIO request. If the caller wants to have
> +              * multiple AIO requests in parallel, he must make multiple
> +              * separate AIO calls.
> +              */
> +             if (err < 0) {
> +                     if (err == -EIOCBQUEUED)
> +                             ret = err;
> +                     goto out;
>               }
> +             if (!err)
> +                     goto out;

You can combine the two now as err <= 0.

Thanks,
-- 
Email: Herbert Xu <herb...@gondor.apana.org.au>
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