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Diffstat (limited to 'net/ipv4/inet_fragment.c')
-rw-r--r--net/ipv4/inet_fragment.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index c9f9ac5013a7..7072fc0783ef 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -133,6 +133,7 @@ static void inet_frags_free_cb(void *ptr, void *arg)
count = del_timer_sync(&fq->timer) ? 1 : 0;
spin_lock_bh(&fq->lock);
+ fq->flags |= INET_FRAG_DROP;
if (!(fq->flags & INET_FRAG_COMPLETE)) {
fq->flags |= INET_FRAG_COMPLETE;
count++;
@@ -260,7 +261,8 @@ static void inet_frag_destroy_rcu(struct rcu_head *head)
kmem_cache_free(f->frags_cachep, q);
}
-unsigned int inet_frag_rbtree_purge(struct rb_root *root)
+unsigned int inet_frag_rbtree_purge(struct rb_root *root,
+ enum skb_drop_reason reason)
{
struct rb_node *p = rb_first(root);
unsigned int sum = 0;
@@ -274,7 +276,7 @@ unsigned int inet_frag_rbtree_purge(struct rb_root *root)
struct sk_buff *next = FRAG_CB(skb)->next_frag;
sum += skb->truesize;
- kfree_skb(skb);
+ kfree_skb_reason(skb, reason);
skb = next;
}
}
@@ -284,17 +286,21 @@ EXPORT_SYMBOL(inet_frag_rbtree_purge);
void inet_frag_destroy(struct inet_frag_queue *q)
{
- struct fqdir *fqdir;
unsigned int sum, sum_truesize = 0;
+ enum skb_drop_reason reason;
struct inet_frags *f;
+ struct fqdir *fqdir;
WARN_ON(!(q->flags & INET_FRAG_COMPLETE));
+ reason = (q->flags & INET_FRAG_DROP) ?
+ SKB_DROP_REASON_FRAG_REASM_TIMEOUT :
+ SKB_CONSUMED;
WARN_ON(del_timer(&q->timer) != 0);
/* Release all fragment data. */
fqdir = q->fqdir;
f = fqdir->f;
- sum_truesize = inet_frag_rbtree_purge(&q->rb_fragments);
+ sum_truesize = inet_frag_rbtree_purge(&q->rb_fragments, reason);
sum = sum_truesize + f->qsize;
call_rcu(&q->rcu, inet_frag_destroy_rcu);