All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: "Manuel Schölling" <manuel.schoelling@gmx.de>, isdn@linux-pingi.de
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mISDN: Use time_before()
Date: Wed, 21 May 2014 23:27:37 +0400	[thread overview]
Message-ID: <537CFE29.7050100@cogentembedded.com> (raw)
In-Reply-To: <1400699406-31294-1-git-send-email-manuel.schoelling@gmx.de>

Hello.

On 05/21/2014 11:10 PM, Manuel Schölling wrote:

> To be future-proof and for better readability the time comparisons are modified
> to use time_before() instead of plain, error-prone math.

> Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
> ---
>   drivers/isdn/mISDN/l1oip_core.c |    5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)

> diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
> index 2c0d2c2..1c2bc36 100644
> --- a/drivers/isdn/mISDN/l1oip_core.c
> +++ b/drivers/isdn/mISDN/l1oip_core.c
> @@ -287,7 +287,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
>   	p = frame;
>
>   	/* restart timer */
> -	if ((int)(hc->keep_tl.expires-jiffies) < 5 * HZ) {
> +	if (time_before(hc->keep_tl.expires - 5 * HZ, jiffies)) {

    Wouldn't it be clearer this way:

	if (time_before(hc->keep_tl.expires, jiffies + 5 * HZ)) {

>   		del_timer(&hc->keep_tl);
>   		hc->keep_tl.expires = jiffies + L1OIP_KEEPALIVE * HZ;
>   		add_timer(&hc->keep_tl);
> @@ -621,7 +621,8 @@ multiframe:
>   		goto multiframe;
>
>   	/* restart timer */
> -	if ((int)(hc->timeout_tl.expires-jiffies) < 5 * HZ || !hc->timeout_on) {
> +	if (time_before(hc->timeout_tl.expires - 5 * HZ, jiffies)
> +	    || !hc->timeout_on) {

    Please leave || on the previous line.

WBR, Sergei


  parent reply	other threads:[~2014-05-21 19:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-21 19:10 [PATCH 1/2] mISDN: Use time_before() Manuel Schölling
2014-05-21 19:10 ` [PATCH 2/2] mISDN: use mod_timer() Manuel Schölling
2014-05-21 19:27 ` Sergei Shtylyov [this message]
2014-05-21 20:07   ` [PATCH 1/2] mISDN: Use time_before() Joe Perches
2014-05-21 20:43     ` Sergei Shtylyov
2014-05-21 20:08   ` [PATCH v2 " Manuel Schölling
2014-05-21 20:08     ` [PATCH v2 2/2] mISDN: Use mod_timer() Manuel Schölling
2014-05-22 19:50       ` David Miller
2014-05-22 19:50     ` [PATCH v2 1/2] mISDN: Use time_before() David Miller

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=537CFE29.7050100@cogentembedded.com \
    --to=sergei.shtylyov@cogentembedded.com \
    --cc=isdn@linux-pingi.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=manuel.schoelling@gmx.de \
    --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.