diff options
| -rw-r--r-- | src/libsystemd-network/sd-dhcp6-client.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c index 2367509693..1ab3640c6b 100644 --- a/src/libsystemd-network/sd-dhcp6-client.c +++ b/src/libsystemd-network/sd-dhcp6-client.c @@ -125,6 +125,8 @@ int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index) { assert_return(client, -EINVAL); assert_return(interface_index >= -1, -EINVAL); + assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY); + client->index = interface_index; return 0; @@ -140,6 +142,8 @@ int sd_dhcp6_client_set_mac( assert_return(addr_len > 0 && addr_len <= MAX_MAC_ADDR_LEN, -EINVAL); assert_return(arp_type > 0, -EINVAL); + assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY); + if (arp_type == ARPHRD_ETHER) assert_return(addr_len == ETH_ALEN, -EINVAL); else if (arp_type == ARPHRD_INFINIBAND) @@ -173,6 +177,8 @@ int sd_dhcp6_client_set_duid( assert_return(duid, -EINVAL); assert_return(duid_len > 0 && duid_len <= MAX_DUID_LEN, -EINVAL); + assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY); + switch (type) { case DHCP6_DUID_LLT: if (duid_len <= sizeof(client->duid.llt)) @@ -205,6 +211,8 @@ int sd_dhcp6_client_set_duid( int sd_dhcp6_client_set_information_request(sd_dhcp6_client *client, bool enabled) { assert_return(client, -EINVAL); + assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY); + client->information_request = enabled; return 0; @@ -1126,6 +1134,9 @@ int sd_dhcp6_client_start(sd_dhcp6_client *client) { assert_return(client->event, -EINVAL); assert_return(client->index > 0, -EINVAL); + if (!IN_SET(client->state, DHCP6_STATE_STOPPED)) + return -EALREADY; + r = client_reset(client); if (r < 0) return r; |