- /*
- But use as source device on which LAST ARRIVED
- segment was received. And do not use fq->dev
- pointer directly, device might already disappeared.
- */
- if (dev) {
- fq->fragments->dev = dev;
- icmpv6_send(fq->fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0,
- dev);
- dev_put(dev);
- }
- }
+ /* Don't send error if the first segment did not arrive. */
+ if (!(fq->last_in&FIRST_IN) || !fq->fragments)
+ goto out;
+
+ /*
+ But use as source device on which LAST ARRIVED
+ segment was received. And do not use fq->dev
+ pointer directly, device might already disappeared.
+ */
+ fq->fragments->dev = dev;
+ icmpv6_send(fq->fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0, dev);