ixgbe: fix race condition with shutdown
authorDon Skidmore <donald.c.skidmore@intel.com>
Sat, 17 Mar 2012 05:51:52 +0000 (05:51 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Thu, 3 May 2012 10:02:43 +0000 (03:02 -0700)
commitab6039a70bb559b2fb5f363934da67d864ccda2a
tree4d5530f6cd86d1f255691add0d1be18a44a20f72
parent5a8887d39e1ba5ee2d4ccb94b14d6f2dce5ddfca
ixgbe: fix race condition with shutdown

It was possible for shutdown to pull the rug out from other driver entry
points.  Now we just grab the rtnl lock before taking everything apart.
Thanks to Hariharan for noticing this tight race condition.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Cc: Hariharan Nagarajan <hanagara@cisco.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c