Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  igb: fix link reporting when using sgmii
  igb: prevent skb_over panic w/ mtu smaller than 1K
  igb: Fix DCA errors and do not use context index for 82576
  ipv6: compile fix for ip6mr.c
  packet: Avoid lock_sock in mmap handler
  sfc: Replace stats_enabled flag with a disable count
  sfc: SFX7101/SFT9001: Fix AN advertisements
  sfc: SFT9001: Always enable XNP exchange on SFT9001 rev B
  sfc: Update board info for hardware monitor on SFN4111T-R5 and later
  sfc: Test for PHYXS faults whenever we cannot test link state bits
  sfc: Reinitialise the PHY completely in case of a PHY or NIC reset
  sfc: Fix post-reset MAC selection
  sfc: SFN4111T: Fix GPIO sharing between I2C and FLASH_CFG_1
  sfc: SFT9001: Fix speed reporting in 1G PHY loopback
  sfc: SFX7101: Remove workaround for bad link training
  sfc: SFT9001: Enable robust link training
  sky2: fix hard hang with netconsoling and iface going up

2 files changed, 8 insertions, 2 deletions

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index d19a84b79503..228be551e9c1 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -48,6 +48,7 @@
 #include <linux/pim.h>
 #include <net/addrconf.h>
 #include <linux/netfilter_ipv6.h>
+#include <net/ip6_checksum.h>
 
 /* Big lock, protecting vif table, mrt cache and mroute socket state.
    Note that the changes are semaphored via rtnl_lock.
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 5f94db2f3e9e..9454d4ae46df 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -77,6 +77,7 @@
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/mutex.h>
 
 #ifdef CONFIG_INET
 #include <net/inet_common.h>
@@ -175,6 +176,7 @@ struct packet_sock {
 #endif
         struct packet_type      prot_hook;
         spinlock_t              bind_lock;
+        struct mutex            pg_vec_lock;
         unsigned int            running:1,      /* prot_hook is attached*/
                                 auxdata:1,
                                 origdev:1;
@@ -1069,6 +1071,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
          */
 
         spin_lock_init(&po->bind_lock);
+        mutex_init(&po->pg_vec_lock);
         po->prot_hook.func = packet_rcv;
 
         if (sock->type == SOCK_PACKET)
@@ -1865,6 +1868,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
         synchronize_net();
 
         err = -EBUSY;
+        mutex_lock(&po->pg_vec_lock);
         if (closing || atomic_read(&po->mapped) == 0) {
                 err = 0;
 #define XC(a, b) ({ __typeof__ ((a)) __t; __t = (a); (a) = (b); __t; })
@@ -1886,6 +1890,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
                 if (atomic_read(&po->mapped))
                         printk(KERN_DEBUG "packet_mmap: vma is busy: %d\n", atomic_read(&po->mapped));
         }
+        mutex_unlock(&po->pg_vec_lock);
 
         spin_lock(&po->bind_lock);
         if (was_running && !po->running) {
@@ -1918,7 +1923,7 @@ static int packet_mmap(struct file *file, struct socket *sock, struct vm_area_st
 
         size = vma->vm_end - vma->vm_start;
 
-        lock_sock(sk);
+        mutex_lock(&po->pg_vec_lock);
         if (po->pg_vec == NULL)
                 goto out;
         if (size != po->pg_vec_len*po->pg_vec_pages*PAGE_SIZE)
@@ -1941,7 +1946,7 @@ static int packet_mmap(struct file *file, struct socket *sock, struct vm_area_st
         err = 0;
 
 out:
-        release_sock(sk);
+        mutex_unlock(&po->pg_vec_lock);
         return err;
 }
 #endif