[ovs-dev] [PATCH V2] stp: Fix a bug.

[Ben Pfaff]

Thanks for reminding me.  I backported it.

On Wed, Sep 04, 2013 at 03:43:13PM -0700, Alex Wang wrote:
> Thanks, Ben,
> 
> This patch needs back port to branch 2.0 as well.
> 
> 
> On Wed, Sep 4, 2013 at 3:21 PM, Ben Pfaff <blp at nicira.com> wrote:
> 
> > On Wed, Sep 04, 2013 at 03:21:15PM -0700, Alex Wang wrote:
> > > Commit 9d189a50e (ofproto-dpif-xlate: Pull STP xlation into
> > > ofproto-dpif-xlate.) introduced the bug that considers 'stp_port_no'
> > > of 0 as stp disabled on the port.  However 'stp_port_no' is
> > > actually the index of the stp struct's port array and ranges
> > > between [0, STP_MAX_PORTS).  So the bug allows the blocked
> > > port keep transmitting packets and generates loop.
> > >
> > > This commit fixes this bug.
> > >
> > > Signed-off-by: Alex Wang <alexw at nicira.com>
> >
> > Thanks.  I improved the subject of the commit message slightly,
> > removed a comment that I thought did not make anything clearer, and
> > pushed this to master.
> >
> > Thanks a lot.
> >