diff options
Diffstat (limited to 'net/packet')
| -rw-r--r-- | net/packet/af_packet.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 81a4c0574d73..4d5e699d0bfa 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2052,6 +2052,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, u8 *skb_head = skb->data; int skb_len = skb->len; unsigned int snaplen, res; + bool is_drop_n_account = false; if (skb->pkt_type == PACKET_LOOPBACK) goto drop; @@ -2140,6 +2141,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, return 0; drop_n_acct: + is_drop_n_account = true; spin_lock(&sk->sk_receive_queue.lock); po->stats.stats1.tp_drops++; atomic_inc(&sk->sk_drops); @@ -2151,7 +2153,10 @@ drop_n_restore: skb->len = skb_len; } drop: - consume_skb(skb); + if (!is_drop_n_account) + consume_skb(skb); + else + kfree_skb(skb); return 0; } @@ -2170,6 +2175,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct sk_buff *copy_skb = NULL; struct timespec ts; __u32 ts_status; + bool is_drop_n_account = false; /* struct tpacket{2,3}_hdr is aligned to a multiple of TPACKET_ALIGNMENT. * We may add members to them until current aligned size without forcing @@ -2377,10 +2383,14 @@ drop_n_restore: skb->len = skb_len; } drop: - kfree_skb(skb); + if (!is_drop_n_account) + consume_skb(skb); + else + kfree_skb(skb); return 0; drop_n_account: + is_drop_n_account = true; po->stats.stats1.tp_drops++; spin_unlock(&sk->sk_receive_queue.lock); |