dpif-netdev: Initialize 'tun_md' member of match.
Found by valgrind.
Acked-by: Ben Pfaff
@@ -2419,6 +2419,7 @@ dp_netdev_flow_add(struct dp_netdev_pmd_thread *pmd,
ds_put_cstr(&ds, "flow match: ");
miniflow_expand(&flow->cr.flow.mf, &m.flow);
miniflow_expand(&flow->cr.mask->mf, &m.wc.masks);
+ memset(&m.tun_md, 0, sizeof m.tun_md);
match_format(&m, NULL, &ds, OFP_DEFAULT_PRIORITY);
VLOG_DBG("%s", ds_cstr(&ds));
