Valgrind complains in test 2322 (ovn -- 3 HVs, 3 LS, 3 lports/LS, 1 LR):

31,584 (26,496 direct, 5,088 indirect) bytes in 48 blocks are definitely
lost in loss record 422 of 427
   by 0x5165F4: xmalloc (util.c:120)
   by 0x466194: dp_packet_new (dp-packet.c:138)
   by 0x466194: dp_packet_new_with_headroom (dp-packet.c:148)
   by 0x46621B: dp_packet_clone_data_with_headroom (dp-packet.c:210)
   by 0x46621B: dp_packet_clone_with_headroom (dp-packet.c:170)
   by 0x49DD46: dp_packet_batch_clone (dp-packet.h:789)
   by 0x49DD46: odp_execute_clone (odp-execute.c:616)
   by 0x49DD46: odp_execute_actions (odp-execute.c:795)
   by 0x471663: dpif_execute_with_help (dpif.c:1296)
   by 0x473795: dpif_operate (dpif.c:1411)
   by 0x473E20: dpif_execute.part.21 (dpif.c:1320)
   by 0x428D38: packet_execute (ofproto-dpif.c:4682)
   by 0x41EB51: ofproto_packet_out_finish (ofproto.c:3540)
   by 0x41EB51: handle_packet_out (ofproto.c:3581)
   by 0x4233DA: handle_openflow__ (ofproto.c:8044)
   by 0x4233DA: handle_openflow (ofproto.c:8219)
   by 0x4514AA: ofconn_run (connmgr.c:1437)
   by 0x4514AA: connmgr_run (connmgr.c:363)
   by 0x41C8B5: ofproto_run (ofproto.c:1813)
   by 0x40B103: bridge_run__ (bridge.c:2919)
   by 0x4103B3: bridge_run (bridge.c:2977)
   by 0x406F14: main (ovs-vswitchd.c:119)

the parameter dp_packet_batch is leaked when 'may_steal' is true.

When dpif_execute_helper_cb is passed with a true 'may_steal', it
is supposed to take the ownership of dp_packet_batch and release
it when done.

Signed-off-by: Yifeng Sun <pkusunyif...@gmail.com>
---
 lib/dpif.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/dpif.c b/lib/dpif.c
index 3f0742d382ed..310dec14655e 100644
--- a/lib/dpif.c
+++ b/lib/dpif.c
@@ -1279,6 +1279,7 @@ dpif_execute_helper_cb(void *aux_, struct dp_packet_batch 
*packets_,
     case __OVS_ACTION_ATTR_MAX:
         OVS_NOT_REACHED();
     }
+    dp_packet_delete_batch(packets_, may_steal);
 }
 
 /* Executes 'execute' by performing most of the actions in userspace and
-- 
2.7.4

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