Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Fix leak of unqueued fragments in ipv6 nf_defrag, from Guillaume
    Nault.

 2) Don't access the DDM interface unless the transceiver implements it
    in bnx2x, from Mauro S. M. Rodrigues.

 3) Don't double fetch 'len' from userspace in sock_getsockopt(), from
    JingYi Hou.

 4) Sign extension overflow in lio_core, from Colin Ian King.

 5) Various netem bug fixes wrt. corrupted packets from Jakub Kicinski.

 6) Fix epollout hang in hvsock, from Sunil Muthuswamy.

 7) Fix regression in default fib6_type, from David Ahern.

 8) Handle memory limits in tcp_fragment more appropriately, from Eric
    Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (24 commits)
  tcp: refine memory limit test in tcp_fragment()
  inet: clear num_timeout reqsk_alloc()
  net: mvpp2: debugfs: Add pmap to fs dump
  ipv6: Default fib6_type to RTN_UNICAST when not set
  net: hns3: Fix inconsistent indenting
  net/af_iucv: always register net_device notifier
  net/af_iucv: build proper skbs for HiperTransport
  net/af_iucv: remove GFP_DMA restriction for HiperTransport
  net: dsa: mv88e6xxx: fix shift of FID bits in mv88e6185_g1_vtu_loadpurge()
  hvsock: fix epollout hang from race condition
  net/udp_gso: Allow TX timestamp with UDP GSO
  net: netem: fix use after free and double free with packet corruption
  net: netem: fix backlog accounting for corrupted GSO frames
  net: lio_core: fix potential sign-extension overflow on large shift
  tipc: pass tunnel dev as NULL to udp_tunnel(6)_xmit_skb
  ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL
  ip_tunnel: allow not to count pkts on tstats by setting skb's dev to NULL
  tun: wake up waitqueues after IFF_UP is set
  net: remove duplicate fetch in sock_getsockopt
  tipc: fix issues with early FAILOVER_MSG from peer
  ...

2 files changed, 9 insertions, 3 deletions

diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 69b4bcf880c9..028eaea1c854 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -158,9 +158,12 @@ static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb,
         memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
         pkt_len = skb->len - skb_inner_network_offset(skb);
         err = ip6_local_out(dev_net(skb_dst(skb)->dev), sk, skb);
-        if (unlikely(net_xmit_eval(err)))
-                pkt_len = -1;
-        iptunnel_xmit_stats(dev, pkt_len);
+
+        if (dev) {
+                if (unlikely(net_xmit_eval(err)))
+                        pkt_len = -1;
+                iptunnel_xmit_stats(dev, pkt_len);
+        }
 }
 #endif
 #endif
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index b3ea21f2732e..fd178d58fa84 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -97,6 +97,9 @@ reqsk_alloc(const struct request_sock_ops *ops, struct sock *sk_listener,
         sk_node_init(&req_to_sk(req)->sk_node);
         sk_tx_queue_clear(req_to_sk(req));
         req->saved_syn = NULL;
+        req->num_timeout = 0;
+        req->num_retrans = 0;
+        req->sk = NULL;
         refcount_set(&req->rsk_refcnt, 0);
 
         return req;