[ovs-git] [openvswitch/ovs] c7094a: ovn-northd: Fix memory leak

[GitHub]

  Branch: refs/heads/branch-2.9
  Home:   https://github.com/openvswitch/ovs
  Commit: c7094a4180c1e7ede48af7a3e8eb51d5b9d9457c
      https://github.com/openvswitch/ovs/commit/c7094a4180c1e7ede48af7a3e8eb51d5b9d9457c
  Author: Yifeng Sun <pkusunyifeng at gmail.com>
  Date:   2018-01-22 (Mon, 22 Jan 2018)

  Changed paths:
    M ovn/northd/ovn-northd.c

  Log Message:
  -----------
  ovn-northd: Fix memory leak

This leak was reported by valgrind (testing ovn -- IPv6 Neighbor
Solicitation for unknown MAC):

3,027 bytes in 49 blocks are definitely lost in loss record 210 of 218
    by 0x484C84: xrealloc (util.c:131)
    by 0x43CE41: ds_reserve (dynamic-string.c:63)
    by 0x43D29D: ds_put_format_valist (dynamic-string.c:161)
    by 0x43D3A3: ds_put_format (dynamic-string.c:142)
    by 0x412EEF: ovn_port_update_sbrec (ovn-northd.c:1948)
    by 0x4148B4: build_ports (ovn-northd.c:2109)
    by 0x4148B4: ovnnb_db_run.isra.37 (ovn-northd.c:6202)
    by 0x406FE0: main (ovn-northd.c:6854)

Signed-off-by: Yifeng Sun <pkusunyifeng at gmail.com>
Signed-off-by: Ben Pfaff <blp at ovn.org>