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Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index a39354ee1432..83988362805e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1642,6 +1642,19 @@ static inline int deliver_skb(struct sk_buff *skb,
return pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
}
+static inline bool skb_loop_sk(struct packet_type *ptype, struct sk_buff *skb)
+{
+ if (ptype->af_packet_priv == NULL)
+ return false;
+
+ if (ptype->id_match)
+ return ptype->id_match(ptype, skb->sk);
+ else if ((struct sock *)ptype->af_packet_priv == skb->sk)
+ return true;
+
+ return false;
+}
+
/*
* Support routine. Sends outgoing frames to any network
* taps currently in use.
@@ -1659,8 +1672,7 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
* they originated from - MvS (miquels@drinkel.ow.org)
*/
if ((ptype->dev == dev || !ptype->dev) &&
- (ptype->af_packet_priv == NULL ||
- (struct sock *)ptype->af_packet_priv != skb->sk)) {
+ (!skb_loop_sk(ptype, skb))) {
if (pt_prev) {
deliver_skb(skb2, pt_prev, skb->dev);
pt_prev = ptype;
@@ -5732,6 +5744,7 @@ EXPORT_SYMBOL(netdev_refcnt_read);
/**
* netdev_wait_allrefs - wait until all references are gone.
+ * @dev: target net_device
*
* This is called when unregistering network devices.
*