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| author | Wei Yongjun <yjwei@cn.fujitsu.com> | 2009-02-24 23:37:19 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-24 23:37:19 -0800 |
| commit | bb80087a9440178bcd8363dc27a486f34786fec3 (patch) | |
| tree | f69c7a104077c7638261aad75b3b0e554964e273 /net/ipv6/sit.c | |
| parent | 26d94b46d09c97adb3c78c744c195e74ede699b2 (diff) | |
| download | linux-3.10-bb80087a9440178bcd8363dc27a486f34786fec3.tar.gz linux-3.10-bb80087a9440178bcd8363dc27a486f34786fec3.tar.bz2 linux-3.10-bb80087a9440178bcd8363dc27a486f34786fec3.zip | |
sit: used time_before for comparing jiffies
The functions time_before is more robust for comparing
jiffies against other values.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/sit.c')
| -rw-r--r-- | net/ipv6/sit.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index d3467e563f0..26915effb3b 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -454,7 +454,7 @@ static int ipip6_err(struct sk_buff *skb, u32 info) if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED) goto out; - if (jiffies - t->err_time < IPTUNNEL_ERR_TIMEO) + if (time_before(jiffies, t->err_time + IPTUNNEL_ERR_TIMEO)) t->err_count++; else t->err_count = 1; @@ -658,7 +658,8 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) } if (tunnel->err_count > 0) { - if (jiffies - tunnel->err_time < IPTUNNEL_ERR_TIMEO) { + if (time_before(jiffies, + tunnel->err_time + IPTUNNEL_ERR_TIMEO)) { tunnel->err_count--; dst_link_failure(skb); } else |