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ospf6d: fix possible NULL dereference

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OSPF6_CMD_CHECK_RUNNING doesn't check that ospf6 is not NULL.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
This commit is contained in:
Igor Ryzhov 2021-09-15 13:48:29 +03:00
parent 9948e5acb2
commit 390dce1275
1 changed files with 4 additions and 1 deletions
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5
ospf6d/ospf6_gr_helper.c
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@ -1155,7 +1155,10 @@ DEFPY(show_ipv6_ospf6_gr_helper,
bool detail = false;
ospf6 = ospf6_lookup_by_vrf_name(VRF_DEFAULT_NAME);
OSPF6_CMD_CHECK_RUNNING();
if (ospf6 == NULL) {
vty_out(vty, "OSPFv3 is not configured\n");
return CMD_SUCCESS;
}
if (argv_find(argv, argc, "detail", &idx))
detail = true;