diff options
Diffstat (limited to 'interface.c')
| -rw-r--r-- | interface.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/interface.c b/interface.c index 9c208a2..0032e57 100644 --- a/interface.c +++ b/interface.c @@ -151,15 +151,23 @@ interface_add_data(struct interface *iface, const struct blob_attr *data) if (!blobmsg_check_attr(data, true)) return UBUS_STATUS_INVALID_ARGUMENT; - n = calloc(1, sizeof(*n) + blob_pad_len(data)); - memcpy(n->data, data, blob_pad_len(data)); - n->node.key = blobmsg_name(n->data); + const char *name = blobmsg_name(data); + unsigned len = blob_pad_len(data); + + o = avl_find_element(&iface->data, name, o, node); + if (o) { + if (blob_pad_len(o->data) == len && !memcmp(o->data, data, len)) + return 0; - o = avl_find_element(&iface->data, n->node.key, o, node); - if (o) interface_data_del(iface, o); + } + n = calloc(1, sizeof(*n) + len); + memcpy(n->data, data, len); + n->node.key = blobmsg_name(n->data); avl_insert(&iface->data, &n->node); + + iface->updated |= IUF_DATA; return 0; } @@ -846,6 +854,7 @@ set_config_state(struct interface *iface, enum interface_config_state s) void interface_update_start(struct interface *iface) { + iface->updated = 0; interface_ip_update_start(&iface->proto_ip); } |