From: Amit Kumar Salecha <amit.salecha@qlogic.com>
Date: Tue, 2 Feb 2010 04:16:21 +0000 (+0000)
Subject: netxen: protect resource cleanup by rtnl lock
X-Git-Tag: v2.6.33-rc8~34^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e15eec2805565c7e31dbe402215637012f1e4616;p=pandora-kernel.git

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>
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