[ovs-git] Open vSwitch: datapath: Fix kernel panic on ovs_flow_free (branch-2.0)

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- Log -----------------------------------------------------------------
commit 738a2445c0c124f53df6abcffc6379746e99dee8
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=738a2445c0c124f53df6abcffc6379746e99dee8
Author: Andy Zhou <azhou at nicira.com>
		
datapath: Fix kernel panic on ovs_flow_free
		
Both mega flow mask's reference counter and per flow table mask list
should only be accessed when holding ovs_mutex() lock.  However
this is not true with ovs_flow_table_flush(). The patch fixes this bug.

Reported-by: Joe Stringer <joestringer at nicira.com>
Signed-off-by: Andy Zhou <azhou at nicira.com>
Acked-by: Jesse Gross <jesse at nicira.com>


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Summary of changes:
 datapath/datapath.c |    3 ++-
 datapath/flow.c     |   36 ++++++++++++++++++------------------
 2 files changed, 20 insertions(+), 19 deletions(-)


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