linux-kernel - Re: [PATCH 11/21] staging: ft1000: Fix coding style in ft1000_usb_transmit

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Date:	Mon, 7 Mar 2011 23:38:59 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Belisko Marek <marek.belisko@...il.com>
Cc:	Marek Belisko <marek.belisko@...n-nandra.com>, gregkh@...e.de,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/21] staging: ft1000: Fix coding style in
 ft1000_usb_transmit_complete function.

On Mon, Mar 07, 2011 at 08:25:07PM +0100, Belisko Marek wrote:
> On Mon, Mar 7, 2011 at 4:55 PM, Dan Carpenter <error27@...il.com> wrote:
> > On Mon, Mar 07, 2011 at 09:21:16AM +0100, Marek Belisko wrote:
> >> -    if (urb->status)
> >> -        printk("%s: TX status %d\n", ft1000dev->net->name, urb->status);
> >> +     if (urb->status)
> >> +             DEBUG("%s: TX status %d\n", ft1000dev->net->name, urb->status);
> >>
> >
> > Why did you change the printk() to a DEBUG()?  That's a behavior change,
> > and it should have been mentioned in the commit message.
> Mea culpa. checkpatch.pl complain about no KERN_... prefix so just fix with
> replace to DEBUG. Will return back to printk.
> @Greg: should resend whole serie or just this patch?

pr_err() or pr_info() would probably be better.

Here is how the usb-skeleton driver handles this btw:  

        /* sync/async unlink faults aren't errors */
        if (urb->status) {
                if (!(urb->status == -ENOENT ||
                    urb->status == -ECONNRESET ||
                    urb->status == -ESHUTDOWN))
                        err("%s - nonzero write bulk status received: %d",
                            __func__, urb->status);

                dev->errors = urb->status;
        } else {
                dev->bulk_in_filled = urb->actual_length;
        }

That uses the old usb err() macro which I think is not recomended these
days.  Use pr_err() instead.

Do the other patches still apply if you resend just this patch?  Btw
git send-email has a --in-reply-to option so that the V2 is attached to
the same thread as the original patch.

regards,
dan carpenter

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