Commit e15eec28 authored Feb 02, 2010 by Amit Kumar Salecha Committed by David S. Miller Feb 03, 2010

netxen: protect resource cleanup by rtnl lock



o context resources can be in used, while resource cleanup is in progress,
  during fw recover.
o Null pointer execption can occur in send_cmd_desc, if fw recovery
  module frees tx ring without rtnl lock.
o Same applies to ethtool register dump.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 41f3e0b1

drivers/net/netxen/netxen_nic_main.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2240,7 +2240,9 @@ netxen_detach_work(struct work_struct *work)

		netxen_nic_down(adapter, netdev);

		rtnl_lock();
		netxen_nic_detach(adapter);
		rtnl_unlock();

		status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);