From: Ben Pfaff <blp@nicira.com>
Date: Wed, 18 Mar 2009 17:28:27 +0000 (-0700)
Subject: dpif: Clear stats before deleting or query flows.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f747522cad8b5b91011e872a9bdbd993c7ae62d;p=openvswitch

dpif: Clear stats before deleting or query flows.

This placates Valgrind, but it also makes results more reproducible if a
caller does not check the return value.
---

diff --git a/lib/dpif.c b/lib/dpif.c
index 589d9746..ce36fb97 100644
--- a/lib/dpif.c
+++ b/lib/dpif.c
@@ -468,6 +468,7 @@ int
 dpif_flow_del(struct dpif *dpif, struct odp_flow *flow)
 {
     check_rw_odp_flow(flow);
+    memset(&flow->stats, 0, sizeof flow->stats);
     return do_flow_ioctl(dpif, ODP_FLOW_DEL, flow, "delete flow", true);
 }
 
@@ -475,6 +476,7 @@ int
 dpif_flow_query(const struct dpif *dpif, struct odp_flow *flow)
 {
     check_rw_odp_flow(flow);
+    memset(&flow->stats, 0, sizeof flow->stats);
     return do_flow_ioctl(dpif, ODP_FLOW_QUERY, flow, "query flow", true);
 }