netdev - Re: [PATCH net 1/2] net: sctp: spare unnecessary comparison in sctp_trans_elect

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 22 Aug 2014 10:38:01 -0400
From:	Vlad Yasevich <vyasevich@...il.com>
To:	Daniel Borkmann <dborkman@...hat.com>, davem@...emloft.net
CC:	netdev@...r.kernel.org, linux-sctp@...r.kernel.org
Subject: Re: [PATCH net 1/2] net: sctp: spare unnecessary comparison in sctp_trans_elect_best

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@...hat.com>

Acked-by: Vlad Yasevich <vyasevich@...il.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);
> 

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html