[ovs-dev] [PATCH] ofproto: Fix is_flow_deletion_pending() false positive.

Ben Pfaff blp at nicira.com
Thu May 1 14:31:45 UTC 2014


On Wed, Apr 30, 2014 at 05:29:01PM -0700, Ethan Jackson wrote:
> If one tries to install a rule that's identical to another rule in
> another OpenFlow table which is being deleted, it's possible that
> is_flow_deletion_pending() might confuse them and block the
> installation.  This is such an edge case I doubt it has ever actually
> happened.
> 
> Found by inspection.
> 
> Signed-off-by: Ethan Jackson <ethan at nicira.com>

This can't happen in the software switch because it never defers
completion of deletions.

Acked-by: Ben Pfaff <blp at nicira.com>



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