[NET]: Convert RTNL to mutex.
This patch turns the RTNL from a semaphore to a new 2.6.16 mutex and
gets rid of some of the leftover legacy.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 8763c99..be1d896 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2466,9 +2466,9 @@
*/
if (cmd == SIOCGIFCONF) {
- rtnl_shlock();
+ rtnl_lock();
ret = dev_ifconf((char __user *) arg);
- rtnl_shunlock();
+ rtnl_unlock();
return ret;
}
if (cmd == SIOCGIFNAME)
@@ -2877,7 +2877,7 @@
rebroadcast_time = warning_time = jiffies;
while (atomic_read(&dev->refcnt) != 0) {
if (time_after(jiffies, rebroadcast_time + 1 * HZ)) {
- rtnl_shlock();
+ rtnl_lock();
/* Rebroadcast unregister notification */
notifier_call_chain(&netdev_chain,
@@ -2894,7 +2894,7 @@
linkwatch_run_queue();
}
- rtnl_shunlock();
+ __rtnl_unlock();
rebroadcast_time = jiffies;
}