[PATCH] (3/7) ipmr.c - drop/reacquire in error path.

[Stephen Hemminger <shemminger@xxxxxxxx>]

In the failure path, need to drop/re-acquire locking to allow sysfs and hotplug
to run.


diff -Nru a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
--- a/net/ipv4/ipmr.c   Wed Jun 25 11:15:05 2003
+++ b/net/ipv4/ipmr.c   Wed Jun 25 11:15:05 2003
@@ -158,6 +158,10 @@
        return dev;
 
 failure:
+       /* allow the register to be completed before unregistering. */
+       rtnl_unlock();
+       rtnl_lock();
+
        unregister_netdevice(dev);
        return NULL;
 }
@@ -228,6 +232,10 @@
        return dev;
 
 failure:
+       /* allow the register to be completed before unregistering. */
+       rtnl_unlock();
+       rtnl_lock();
+
        unregister_netdevice(dev);
        return NULL;
 }