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-rw-r--r--include/net/inet_frag.h5
-rw-r--r--net/ipv4/inet_fragment.c1
2 files changed, 4 insertions, 2 deletions
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 4182c9be8bb5..bfcbc0017950 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -141,14 +141,15 @@ static inline int sum_frag_mem_limit(struct netns_frags *nf)
static inline void inet_frag_lru_move(struct inet_frag_queue *q)
{
spin_lock(&q->net->lru_lock);
- list_move_tail(&q->lru_list, &q->net->lru_list);
+ if (!list_empty(&q->lru_list))
+ list_move_tail(&q->lru_list, &q->net->lru_list);
spin_unlock(&q->net->lru_lock);
}
static inline void inet_frag_lru_del(struct inet_frag_queue *q)
{
spin_lock(&q->net->lru_lock);
- list_del(&q->lru_list);
+ list_del_init(&q->lru_list);
q->net->nqueues--;
spin_unlock(&q->net->lru_lock);
}
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index e97d66a1fdde..7e06641e36ae 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -305,6 +305,7 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf,
setup_timer(&q->timer, f->frag_expire, (unsigned long)q);
spin_lock_init(&q->lock);
atomic_set(&q->refcnt, 1);
+ INIT_LIST_HEAD(&q->lru_list);
return q;
}