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-rw-r--r--net/openvswitch/vport.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index b6c8524032a0..f81c1d0ddff4 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -464,10 +464,10 @@ int ovs_vport_receive(struct vport *vport, struct sk_buff *skb,
return 0;
}
-static unsigned int packet_length(const struct sk_buff *skb,
- struct net_device *dev)
+static int packet_length(const struct sk_buff *skb,
+ struct net_device *dev)
{
- unsigned int length = skb->len - dev->hard_header_len;
+ int length = skb->len - dev->hard_header_len;
if (!skb_vlan_tag_present(skb) &&
eth_type_vlan(skb->protocol))
@@ -478,7 +478,7 @@ static unsigned int packet_length(const struct sk_buff *skb,
* account for 802.1ad. e.g. is_skb_forwardable().
*/
- return length;
+ return length > 0 ? length : 0;
}
void ovs_vport_send(struct vport *vport, struct sk_buff *skb, u8 mac_proto)