ospf6d: Fixing memory leak in ospf6_summary_add_aggr_route_and_blackhole.

Problem Statement:
=================
Memory leak in ospf6d.
2022-11-15 02:15:11,569 - ERROR: ==30108== 440 (280 direct, 160 indirect) bytes in 1 blocks are definitely lost in loss record 15 of 17
2022-11-15 02:15:11,569 - ERROR: ==30108==    at 0x4C31FAC: calloc (vg_replace_malloc.c:762)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x4E8A1BF: qcalloc (memory.c:111)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x14337A: ospf6_route_create (ospf6_route.c:462)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x11EE27: ospf6_summary_add_aggr_route_and_blackhole (ospf6_asbr.c:2779)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x11EEDA: ospf6_originate_new_aggr_lsa (ospf6_asbr.c:2816)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x120053: ospf6_handle_external_lsa_origination (ospf6_asbr.c:3659)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x12041E: ospf6_asbr_redistribute_add (ospf6_asbr.c:1547)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x14F3CC: ospf6_zebra_read_route (ospf6_zebra.c:253)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x4EC9B73: zclient_read (zclient.c:2727)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x4EB741B: thread_call (thread.c:1692)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x4E85B17: frr_run (libfrr.c:1068)
2022-11-15 02:15:11,569 - ERROR: ==30108==    by 0x119585: main (ospf6_main.c:228)
2022-11-15 02:15:11,569 - ERROR: ==30108==

RCA:
====
blackhole route was not freed before adding a new one.

Fix:
====
Added a check before allocating new route, to free the old one. Also,
added ospf6_asbr_summary_config_delete in ospf6_delet before freeing
the aggregate route.

Signed-off-by: Manoj Naragund <mnaragund@vmware.com>

0 files changed, 0 insertions, 0 deletions