[ovs-git] Open vSwitch: odp-util: Avoid null dereference in parse_8021q_onward(). (master)

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- Log -----------------------------------------------------------------
commit 5054d6fd32d5dd3354c1aed1bfa9fb2b7979324e
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=5054d6fd32d5dd3354c1aed1bfa9fb2b7979324e
Author: Ben Pfaff <blp at nicira.com>
		
odp-util: Avoid null dereference in parse_8021q_onward().
		
For parsing a mask, this code in parse_8021q_onward() always read out
the OVS_KEY_ATTR_VLAN attribute without first checking whether it existed.
The correct behavior, implemented by this commit, appears to be treating
the VLAN as wildcarded and to continue parsing the flow.

Bug #22312.
Reported-by: Krishna Miriyala <miriyalak at vmware.com>
Signed-off-by: Ben Pfaff <blp at nicira.com>
Acked-by: Justin Pettit <jpettit at nicira.com>


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Summary of changes:
 lib/odp-util.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)


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