netdev - Re: [PATCH] usbnet: Resubmit interrupt URB more often

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Date:	Tue, 19 Apr 2011 10:51:54 -0700
From:	Paul Stewart <pstew@...omium.org>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH] usbnet: Resubmit interrupt URB more often

Thanks, Ben.  I've made some changes.  usbnet.c is a little bit a of
mess style-wise, and I let myself get sucked in. :-)

--
Paul

On Tue, Apr 19, 2011 at 10:11 AM, Ben Hutchings
<bhutchings@...arflare.com> wrote:
>
> On Tue, 2011-04-19 at 09:35 -0700, Paul Stewart wrote:
> [...]
> > index 4342bd9..e4dbb29 100644
> > --- a/drivers/usb/core/urb.c
> > +++ b/drivers/usb/core/urb.c
> > @@ -295,7 +295,9 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
> >       struct usb_host_endpoint        *ep;
> >       int                             is_out;
> >
> > -     if (!urb || urb->hcpriv || !urb->complete)
> > +     if (urb->hcpriv)
> > +             return -EALREADY;
> > +     if (!urb || !urb->complete)
> >               return -EINVAL;
> [...]
>
> The test for !urb must come before the test on urb->hcpriv.
>
> Also, the kernel coding style does not allow '//' comments.  Please use
> scripts/checkpatch.pl to check for style and other common errors.
>
> Ben.
>
> --
> Ben Hutchings, Senior Software Engineer, Solarflare
> Not speaking for my employer; that's the marketing department's job.
> They asked us to note that Solarflare product names are trademarked.
>
--
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