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-rw-r--r--net/packet/af_packet.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 2d499679811a..860ca3e6abf5 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2193,6 +2193,12 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
if (!res)
goto drop_n_restore;
+ /* If we are flooded, just give up */
+ if (__packet_rcv_has_room(po, skb) == ROOM_NONE) {
+ atomic_inc(&po->tp_drops);
+ goto drop_n_restore;
+ }
+
if (skb->ip_summed == CHECKSUM_PARTIAL)
status |= TP_STATUS_CSUMNOTREADY;
else if (skb->pkt_type != PACKET_OUTGOING &&