From: Justin Pettit <jpettit@nicira.com>
Date: Fri, 12 Jul 2013 23:56:55 +0000 (-0700)
Subject: ofproto-dpif: Zero-out subfacet counters when installation fails.
X-Git-Tag: sliver-openvswitch-2.0.90-1~36^2~32
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=cfd5c9eb1d9e94222d954b7f52040cd111b6640e;hp=cfd5c9eb1d9e94222d954b7f52040cd111b6640e;p=sliver-openvswitch.git

ofproto-dpif: Zero-out subfacet counters when installation fails.

When deleting subfacets, subfacet_uninstall() asserts that the
subfacet's counters are zero to make sure we don't lose counters.  We
have seen cases where a subfacet cannot be installed, but the counters
have values.  This should not happen and indicates a bug, since we
shouldn't create a subfacet if the datapath has a flow.  A buggy
datapath could trigger this, so just zero out the counters and log an
error.

Bug #18460.

Signed-off-by: Justin Pettit <jpettit@nicira.com>
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