From f61f6f82c90cbaa85270f26b89e3309a8c6e2e88 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Mon, 2 Mar 2009 09:46:13 +0000 Subject: sctp: use time_before or time_after for comparing jiffies The functions time_before or time_after are more robust for comparing jiffies against other values. Signed-off-by: Wei Yongjun Signed-off-by: Vlad Yasevich Signed-off-by: David S. Miller --- net/sctp/transport.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'net/sctp/transport.c') diff --git a/net/sctp/transport.c b/net/sctp/transport.c index 5c29b14ee9af..e5dde45c79d3 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -543,8 +543,8 @@ void sctp_transport_lower_cwnd(struct sctp_transport *transport, * congestion indications more than once every window of * data (or more loosely more than once every round-trip time). */ - if ((jiffies - transport->last_time_ecne_reduced) > - transport->rtt) { + if (time_after(jiffies, transport->last_time_ecne_reduced + + transport->rtt)) { transport->ssthresh = max(transport->cwnd/2, 4*transport->asoc->pathmtu); transport->cwnd = transport->ssthresh; @@ -561,7 +561,8 @@ void sctp_transport_lower_cwnd(struct sctp_transport *transport, * to be done every RTO interval, we do it every hearbeat * interval. */ - if ((jiffies - transport->last_time_used) > transport->rto) + if (time_after(jiffies, transport->last_time_used + + transport->rto)) transport->cwnd = max(transport->cwnd/2, 4*transport->asoc->pathmtu); break; -- cgit v1.2.3