On Tue, 2006-05-09 at 12:01 -0700, Andrew Morton wrote:
> Badari Pulavarty <[email protected]> wrote:
> >
> > static ssize_t ep_aio_read_retry(struct kiocb *iocb)
> > {
> > struct kiocb_priv *priv = iocb->private;
> > - ssize_t status = priv->actual;
> > + ssize_t len, total;
> >
> > /* we "retry" to get the right mm context for this: */
> > - status = copy_to_user(priv->ubuf, priv->buf, priv->actual);
> > - if (unlikely(0 != status))
> > - status = -EFAULT;
> > - else
> > - status = priv->actual;
> > +
> > + /* copy stuff into user buffers */
> > + total = priv->actual;
> > + len = 0;
> > + for (i=0; i < priv->count; i++) {
>
> for (i = 0
>
> > + ssize_t this = min(priv->iv[i].iov_len, (size_t)total);
>
> min_t().
>
> Strange mixture of size_t and ssize_t there.
Borrowed it from somewhere :(
I will clean it up.
>
> > + if (copy_to_user(priv->iv[i].iov_buf, priv->buf, this))
> > + break;
> > +
> > + total -= this;
> > + len += this;
> > + if (total <= 0)
> > + break;
> > + }
> > +
> > + if (unlikely(len != 0))
> > + len = -EFAULT;
>
> This looks wrong. I think you meant (total != 0).
Yes. It should be "total".
Thanks,
Badari
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