All of lore.kernel.org
 help / color / mirror / Atom feed
From: Vlad Yasevich <vyasevich@gmail.com>
To: Daniel Borkmann <dborkman@redhat.com>, davem@davemloft.net
Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org
Subject: Re: [PATCH net 1/2] net: sctp: spare unnecessary comparison in sctp_trans_elect_best
Date: Fri, 22 Aug 2014 14:38:01 +0000	[thread overview]
Message-ID: <53F755C9.3020103@gmail.com> (raw)
In-Reply-To: <1408705410-28558-2-git-send-email-dborkman@redhat.com>

On 08/22/2014 07:03 AM, Daniel Borkmann wrote:
> When both transports are the same, we don't have to go down that
> road only to realize that we will return the very same transport.
> We are guaranteed that curr is always non-NULL. Therefore, just
> short-circuit this special case.
> 
> Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

Acked-by: Vlad Yasevich <vyasevich@gmail.com>

-vlad

> ---
>  net/sctp/associola.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/sctp/associola.c b/net/sctp/associola.c
> index aaafb32..104fae4 100644
> --- a/net/sctp/associola.c
> +++ b/net/sctp/associola.c
> @@ -1245,7 +1245,7 @@ static struct sctp_transport *sctp_trans_elect_best(struct sctp_transport *curr,
>  {
>  	u8 score_curr, score_best;
>  
> -	if (best = NULL)
> +	if (best = NULL || curr = best)
>  		return curr;
>  
>  	score_curr = sctp_trans_score(curr);
> 


WARNING: multiple messages have this Message-ID (diff)
From: Vlad Yasevich <vyasevich@gmail.com>
To: Daniel Borkmann <dborkman@redhat.com>, davem@davemloft.net
Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org
Subject: Re: [PATCH net 1/2] net: sctp: spare unnecessary comparison in sctp_trans_elect_best
Date: Fri, 22 Aug 2014 10:38:01 -0400	[thread overview]
Message-ID: <53F755C9.3020103@gmail.com> (raw)
In-Reply-To: <1408705410-28558-2-git-send-email-dborkman@redhat.com>

On 08/22/2014 07:03 AM, Daniel Borkmann wrote:
> When both transports are the same, we don't have to go down that
> road only to realize that we will return the very same transport.
> We are guaranteed that curr is always non-NULL. Therefore, just
> short-circuit this special case.
> 
> Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

Acked-by: Vlad Yasevich <vyasevich@gmail.com>

-vlad

> ---
>  net/sctp/associola.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/sctp/associola.c b/net/sctp/associola.c
> index aaafb32..104fae4 100644
> --- a/net/sctp/associola.c
> +++ b/net/sctp/associola.c
> @@ -1245,7 +1245,7 @@ static struct sctp_transport *sctp_trans_elect_best(struct sctp_transport *curr,
>  {
>  	u8 score_curr, score_best;
>  
> -	if (best == NULL)
> +	if (best == NULL || curr == best)
>  		return curr;
>  
>  	score_curr = sctp_trans_score(curr);
> 

  parent reply	other threads:[~2014-08-22 14:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-22 11:03 [PATCH net 0/2] SCTP fix Daniel Borkmann
2014-08-22 11:03 ` Daniel Borkmann
2014-08-22 11:03 ` [PATCH net 1/2] net: sctp: spare unnecessary comparison in sctp_trans_elect_best Daniel Borkmann
2014-08-22 11:03   ` Daniel Borkmann
2014-08-22 12:13   ` Neil Horman
2014-08-22 12:13     ` Neil Horman
2014-08-22 14:38   ` Vlad Yasevich [this message]
2014-08-22 14:38     ` Vlad Yasevich
2014-08-22 11:03 ` [PATCH net 2/2] net: sctp: fix suboptimal edge-case on non-active active/retrans path selection Daniel Borkmann
2014-08-22 11:03   ` Daniel Borkmann
2014-08-22 12:30   ` Neil Horman
2014-08-22 12:30     ` Neil Horman
2014-08-22 14:39   ` Vlad Yasevich
2014-08-22 14:39     ` Vlad Yasevich
2014-08-22 18:31 ` [PATCH net 0/2] SCTP fix David Miller
2014-08-22 18:31   ` 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=53F755C9.3020103@gmail.com \
    --to=vyasevich@gmail.com \
    --cc=davem@davemloft.net \
    --cc=dborkman@redhat.com \
    --cc=linux-sctp@vger.kernel.org \
    --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.