diff options
Diffstat (limited to 'nhrp/nhrp_interface.c')
| -rw-r--r-- | nhrp/nhrp_interface.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/nhrp/nhrp_interface.c b/nhrp/nhrp_interface.c index 32c2383..05f0e80 100644 --- a/nhrp/nhrp_interface.c +++ b/nhrp/nhrp_interface.c @@ -123,20 +123,23 @@ struct nhrp_interface *nhrp_interface_get_by_index(unsigned int index, int creat struct nhrp_interface *nhrp_interface_get_by_nbma(struct nhrp_address *addr) { + struct nhrp_interface *match = NULL; struct nhrp_interface *iface; list_for_each_entry(iface, &name_list, name_list_entry) { if (!(iface->flags & NHRP_INTERFACE_FLAG_CONFIGURED)) continue; - if (nhrp_address_cmp(addr, &iface->nbma_address) == 0) - return iface; - - if (iface->nbma_address.type == PF_UNSPEC && !iface->link_index) - return iface; + if ((nhrp_address_cmp(addr, &iface->nbma_address) == 0) || + (iface->nbma_address.type == PF_UNSPEC && !iface->link_index)) { + /* ambiguous match - return null */ + if (match != NULL) + return NULL; + match = iface; + } } - return NULL; + return match; } struct nhrp_interface *nhrp_interface_get_by_protocol(struct nhrp_address *addr) |