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-rw-r--r--net/ipv4/ip_input.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 14ba628b2761..1a3b6f32b1c9 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -316,13 +316,6 @@ static int ip_rcv_finish_core(struct net *net, struct sock *sk,
struct rtable *rt;
int err;
- /* if ingress device is enslaved to an L3 master device pass the
- * skb to its handler for processing
- */
- skb = l3mdev_ip_rcv(skb);
- if (!skb)
- return NET_RX_SUCCESS;
-
if (net->ipv4.sysctl_ip_early_demux &&
!skb_dst(skb) &&
!skb->sk &&
@@ -408,8 +401,16 @@ drop_error:
static int ip_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
{
- int ret = ip_rcv_finish_core(net, sk, skb);
+ int ret;
+
+ /* if ingress device is enslaved to an L3 master device pass the
+ * skb to its handler for processing
+ */
+ skb = l3mdev_ip_rcv(skb);
+ if (!skb)
+ return NET_RX_SUCCESS;
+ ret = ip_rcv_finish_core(net, sk, skb);
if (ret != NET_RX_DROP)
ret = dst_input(skb);
return ret;
@@ -545,6 +546,12 @@ static void ip_list_rcv_finish(struct net *net, struct sock *sk,
struct dst_entry *dst;
list_del(&skb->list);
+ /* if ingress device is enslaved to an L3 master device pass the
+ * skb to its handler for processing
+ */
+ skb = l3mdev_ip_rcv(skb);
+ if (!skb)
+ continue;
if (ip_rcv_finish_core(net, sk, skb) == NET_RX_DROP)
continue;