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: (22 commits)
  tun: Multicast handling in tun_chr_ioctl() needs proper locking.
  [NET]: Fix heavy stack usage in seq_file output routines.
  [AF_UNIX] Initialise UNIX sockets before general device initcalls
  [RTNETLINK]: Fix bogus ASSERT_RTNL warning
  iwlwifi: Fix built-in compilation of iwlcore (part 2)
  tun: Fix minor race in TUNSETLINK ioctl handling.
  ppp_generic: use stats from net_device structure
  iwlwifi: Don't unlock priv->mutex if it isn't locked
  wireless: rndis_wlan: modparam_workaround_interval is never below 0.
  prism54: prism54_get_encode() test below 0 on unsigned index
  mac80211: update mesh EID values
  b43: Workaround DMA quirks
  mac80211: fix use before check of Qdisc length
  net/mac80211/rx.c: fix off-by-one
  mac80211: Fix race between ieee80211_rx_bss_put and lookup routines.
  ath5k: Fix radio identification on AR5424/2424
  ssb: Fix all-ones boardflags
  b43: Add more btcoexist workarounds
  b43: Fix HostFlags data types
  b43: Workaround invalid bluetooth settings
  ...

1 files changed, 6 insertions, 0 deletions

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index bc39e41..cf857c4 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -82,6 +82,11 @@ int rtnl_trylock(void)
 	return mutex_trylock(&rtnl_mutex);
 }
 
+int rtnl_is_locked(void)
+{
+	return mutex_is_locked(&rtnl_mutex);
+}
+
 static struct rtnl_link *rtnl_msg_handlers[NPROTO];
 
 static inline int rtm_msgindex(int msgtype)
@@ -1402,6 +1407,7 @@ EXPORT_SYMBOL(rtnetlink_put_metrics);
 EXPORT_SYMBOL(rtnl_lock);
 EXPORT_SYMBOL(rtnl_trylock);
 EXPORT_SYMBOL(rtnl_unlock);
+EXPORT_SYMBOL(rtnl_is_locked);
 EXPORT_SYMBOL(rtnl_unicast);
 EXPORT_SYMBOL(rtnl_notify);
 EXPORT_SYMBOL(rtnl_set_sk_err);