net: sctp: spare unnecessary comparison in sctp_trans_elect_best

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 <[email protected]> Acked-by: Neil Horman <[email protected]> Acked-by: Vlad Yasevich <[email protected]> Signed-off-by: David S. Miller <[email protected]>
marineam · Aug 22, 2014 · ea4f19c · ea4f19c
1 parent 7d149c5
commit ea4f19c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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);