Commit bb80087a authored by Wei Yongjun's avatar Wei Yongjun Committed by David S. Miller
Browse files

sit: used time_before for comparing jiffies



The functions time_before is more robust for comparing
jiffies against other values.
Signed-off-by: default avatarWei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 26d94b46
......@@ -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
......
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