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Diffstat (limited to 'include/net/ipv6_frag.h')
-rw-r--r--include/net/ipv6_frag.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h
index 6ced1e6899b6..28aa9b30aece 100644
--- a/include/net/ipv6_frag.h
+++ b/include/net/ipv6_frag.h
@@ -82,8 +82,15 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq)
__IP6_INC_STATS(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT);
/* Don't send error if the first segment did not arrive. */
- head = fq->q.fragments;
- if (!(fq->q.flags & INET_FRAG_FIRST_IN) || !head)
+ if (!(fq->q.flags & INET_FRAG_FIRST_IN))
+ goto out;
+
+ /* sk_buff::dev and sk_buff::rbnode are unionized. So we
+ * pull the head out of the tree in order to be able to
+ * deal with head->dev.
+ */
+ head = inet_frag_pull_head(&fq->q);
+ if (!head)
goto out;
head->dev = dev;