Re: [PATCH net 1/2] net: sctp: spare unnecessary comparison in sctp_trans_elect_best

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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@xxxxxxxxxx>

Acked-by: Vlad Yasevich <vyasevich@xxxxxxxxx>

-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);
> 

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