On Tue, Jan 14, 2014 at 04:46:34PM +0300, Dan Carpenter wrote:
> [ Sorry, I am coming down with the flu today so I'm doing dorky things
> like reviewing review comments. I'm not sure how coherent I am. ]
>
> On Tue, Jan 14, 2014 at 01:04:09PM +0000, Lee Jones wrote:
>
> > > +static void rtsx_usb_sg_timed_out(unsigned long data)
> > > +{
> > > + struct rtsx_ucr *ucr = (struct rtsx_ucr *)data;
> >
> > What's going to happen when your device runs 64bit?
> >
>
> I'm not sure I understand what you mean here. On linux sizeof(long) is
> always the same as sizeof(void *).
>
>
> > > + if (cmd_len > IOBUF_SIZE)
> > > + return -EINVAL;
> > > +
> > > + if (cmd_len % 4)
> > > + cmd_len += (4 - cmd_len % 4);
> >
> > Please document in a comment.
>
> There is a kernel macro for this:
>
> cmd_len = ALIGN(cmd_len, 4);
>
Btw, what's the difference between ALIGN(cmd_len, 4) and
round_up(cmd_len, 4)? Maybe round_up() is better.
regards,
dan carpenter
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