Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch

Jesse Gross says:

====================
A few different bug fixes, including several for issues with userspace
communication that have gone unnoticed up until now.  These are intended
for net/3.9.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 12 insertions, 7 deletions

diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index ac2defeeba83..d4d5363c7ba7 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -58,7 +58,7 @@ static int __pop_vlan_tci(struct sk_buff *skb, __be16 *current_tci)
 
         if (skb->ip_summed == CHECKSUM_COMPLETE)
                 skb->csum = csum_sub(skb->csum, csum_partial(skb->data
-                                        + ETH_HLEN, VLAN_HLEN, 0));
+                                        + (2 * ETH_ALEN), VLAN_HLEN, 0));
 
         vhdr = (struct vlan_hdr *)(skb->data + ETH_HLEN);
         *current_tci = vhdr->h_vlan_TCI;
@@ -115,7 +115,7 @@ static int push_vlan(struct sk_buff *skb, const struct ovs_action_push_vlan *vla
 
                 if (skb->ip_summed == CHECKSUM_COMPLETE)
                         skb->csum = csum_add(skb->csum, csum_partial(skb->data
-                                        + ETH_HLEN, VLAN_HLEN, 0));
+                                        + (2 * ETH_ALEN), VLAN_HLEN, 0));
 
         }
         __vlan_hwaccel_put_tag(skb, ntohs(vlan->vlan_tci) & ~VLAN_TAG_PRESENT);
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index e87a26506dba..a4b724708a1a 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -394,6 +394,7 @@ static int queue_userspace_packet(struct net *net, int dp_ifindex,
 
         skb_copy_and_csum_dev(skb, nla_data(nla));
 
+        genlmsg_end(user_skb, upcall);
         err = genlmsg_unicast(net, user_skb, upcall_info->portid);
 
 out:
@@ -1690,6 +1691,7 @@ static int ovs_vport_cmd_new(struct sk_buff *skb, struct genl_info *info)
         if (IS_ERR(vport))
                 goto exit_unlock;
 
+        err = 0;
         reply = ovs_vport_cmd_build_info(vport, info->snd_portid, info->snd_seq,
                                          OVS_VPORT_CMD_NEW);
         if (IS_ERR(reply)) {
@@ -1771,6 +1773,7 @@ static int ovs_vport_cmd_del(struct sk_buff *skb, struct genl_info *info)
         if (IS_ERR(reply))
                 goto exit_unlock;
 
+        err = 0;
         ovs_dp_detach_port(vport);
 
         genl_notify(reply, genl_info_net(info), info->snd_portid,
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 20605ecf100b..fe0e4215c73d 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -482,7 +482,11 @@ static __be16 parse_ethertype(struct sk_buff *skb)
                 return htons(ETH_P_802_2);
 
         __skb_pull(skb, sizeof(struct llc_snap_hdr));
-        return llc->ethertype;
+
+        if (ntohs(llc->ethertype) >= 1536)
+                return llc->ethertype;
+
+        return htons(ETH_P_802_2);
 }
 
 static int parse_icmpv6(struct sk_buff *skb, struct sw_flow_key *key,
diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 670cbc3518de..2130d61c384a 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -43,8 +43,7 @@ static void netdev_port_receive(struct vport *vport, struct sk_buff *skb)
 
         /* Make our own copy of the packet.  Otherwise we will mangle the
          * packet for anyone who came before us (e.g. tcpdump via AF_PACKET).
-         * (No one comes after us, since we tell handle_bridge() that we took
-         * the packet.) */
+         */
         skb = skb_share_check(skb, GFP_ATOMIC);
         if (unlikely(!skb))
                 return;
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index ba717cc038b3..f6b8132ce4cb 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -325,8 +325,7 @@ int ovs_vport_get_options(const struct vport *vport, struct sk_buff *skb)
  * @skb: skb that was received
  *
  * Must be called with rcu_read_lock.  The packet cannot be shared and
- * skb->data should point to the Ethernet header.  The caller must have already
- * called compute_ip_summed() to initialize the checksumming fields.
+ * skb->data should point to the Ethernet header.
  */
 void ovs_vport_receive(struct vport *vport, struct sk_buff *skb)
 {