From: Oliver Neukum <oliver@neukum.org>
To: stefani@seibold.net
Cc: linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org
Subject: Re: [PATCH 03/13] remove dead code
Date: Thu, 7 Jun 2012 17:04:39 +0200 [thread overview]
Message-ID: <201206071704.39688.oliver@neukum.org> (raw)
In-Reply-To: <1339057243-10029-4-git-send-email-stefani@seibold.net>
Am Donnerstag, 7. Juni 2012, 10:20:33 schrieb stefani@seibold.net:
> From: Stefani Seibold <stefani@seibold.net>
>
> All code which use processed_urb can be eliminated.
If you eliminate it, how do you balance the completion?
Regards
Oliver
>
> Signed-off-by: Stefani Seibold <stefani@seibold.net>
> ---
> drivers/usb/usb-skeleton.c | 12 ------------
> 1 files changed, 0 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
> index 7385aa8..92cdfca 100644
> --- a/drivers/usb/usb-skeleton.c
> +++ b/drivers/usb/usb-skeleton.c
> @@ -59,7 +59,6 @@ struct usb_skel {
> __u8 bulk_out_endpointAddr; /* the address of the bulk out endpoint */
> int errors; /* the last request tanked */
> bool ongoing_read; /* a read is going on */
> - bool processed_urb; /* indicates we haven't processed the urb */
> spinlock_t err_lock; /* lock for errors */
> struct kref kref;
> struct mutex io_mutex; /* synchronize I/O with disconnect */
> @@ -256,17 +255,6 @@ retry:
> * we must finish now
> */
> dev->bulk_in_copied = 0;
> - dev->processed_urb = true;
> - }
> -
> - if (!dev->processed_urb) {
> - /*
> - * the URB hasn't been processed
> - * do it now
> - */
> - wait_for_completion(&dev->bulk_in_completion);
> - dev->bulk_in_copied = 0;
> - dev->processed_urb = true;
> }
>
> /* errors must be reported */
> --
> 1.7.8.6
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>
next prev parent reply other threads:[~2012-06-07 15:07 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-07 8:20 [PATCH] fix usb skeleton driver stefani
2012-06-07 8:20 ` [PATCH 01/13] fix wrong label in skel_open stefani
2012-06-13 1:03 ` Greg KH
2012-06-07 8:20 ` [PATCH 02/13] code cleanup stefani
2012-06-07 9:06 ` Bjørn Mork
2012-06-07 9:21 ` Stefani Seibold
2012-06-07 10:49 ` Bjørn Mork
2012-06-13 1:03 ` Greg KH
2012-06-13 1:02 ` Greg KH
2012-06-13 18:00 ` Stefani Seibold
2012-06-07 8:20 ` [PATCH 03/13] remove dead code stefani
2012-06-07 15:04 ` Oliver Neukum [this message]
2012-06-07 19:40 ` Stefani Seibold
2012-06-07 8:20 ` [PATCH 04/13] remove unneeded forward declaration stefani
2012-06-07 8:20 ` [PATCH 05/13] remove pr_err() noise in skel_open stefani
2012-06-07 8:20 ` [PATCH 06/13] Handle a non blocking read without blocking stefani
2012-06-07 8:20 ` [PATCH 07/13] fix flush function stefani
2012-06-07 8:20 ` [PATCH 08/13] add fsync function stefani
2012-06-07 8:20 ` [PATCH 09/13] remove unneeded lock in skel_open stefani
2012-06-07 8:20 ` [PATCH 10/13] fix race in skel_write stefani
2012-06-07 8:20 ` [PATCH 11/13] fix kref usage in skel_open stefani
2012-06-07 8:20 ` [PATCH 12/13] Introduce single user mode stefani
2012-06-13 1:05 ` Greg KH
2012-06-07 8:20 ` [PATCH 13/13] Bump version number and add aditional author stefani
2012-06-07 9:09 ` Bjørn Mork
2012-06-13 1:00 ` Greg KH
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=201206071704.39688.oliver@neukum.org \
--to=oliver@neukum.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=stefani@seibold.net \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®