From: Jeff Garzik <jeff@garzik.org>
To: Peter Korsgaard <jacmet@sunsite.dk>
Cc: David Brownell <david-b@pacbell.net>,
netdev@vger.kernel.org, dbrownell@users.sourceforge.net
Subject: Re: [PATCH] Cleanup usbnet_probe() return value handling
Date: Tue, 10 Jul 2007 12:42:29 -0400 [thread overview]
Message-ID: <4693B6F5.6070603@garzik.org> (raw)
In-Reply-To: <87sl86juel.fsf@p4.be.48ers.dk>
Peter Korsgaard wrote:
>>>>>> "David" == David Brownell <david-b@pacbell.net> writes:
>
> Hi,
>
> David> I'd rather see the later test updated to match this one.
> David> (Good catch!)
>
> David> The return convention is "negative means error". There's
> David> code in USB which has multiple nonnegative success codes.
>
> Ok, updated patch does that instead.
>
> David> In particular usb_control_msg(), which would very naturally
> David> used as the body of a bind() method, returns negative or
> David> the number of bytes transferred.
>
> Yeah, that was the original problem in my dm9601 driver.
>
> usbnet_probe() handles a positive return value from the driver bind()
> function as success, but will later only setup the status handler if the
> return value was zero, leading to confusion. Patch adjusts this to accept
> positive values as success in both checks.
>
> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
> ---
> drivers/net/usb/usbnet.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
applied
prev parent reply other threads:[~2007-07-10 16:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-02 15:40 [PATCH] Cleanup usbnet_probe() return value handling Peter Korsgaard
2007-07-02 16:14 ` David Brownell
2007-07-02 22:46 ` Peter Korsgaard
2007-07-04 4:34 ` David Brownell
2007-07-10 16:42 ` Jeff Garzik [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4693B6F5.6070603@garzik.org \
--to=jeff@garzik.org \
--cc=david-b@pacbell.net \
--cc=dbrownell@users.sourceforge.net \
--cc=jacmet@sunsite.dk \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.