sd-dhcp6-client: introduce sd_dhcp6_client_attach_device()

It will be used later.

2 files changed, 11 insertions, 0 deletions

diff --git a/src/libsystemd-network/dhcp6-internal.h b/src/libsystemd-network/dhcp6-internal.h
index 65f6cb057f..13c31c24fc 100644
--- a/src/libsystemd-network/dhcp6-internal.h
+++ b/src/libsystemd-network/dhcp6-internal.h
@@ -48,6 +48,8 @@ struct sd_dhcp6_client {
         int event_priority;
         int fd;
 
+        sd_device *dev;
+
         DHCP6State state;
         bool information_request;
         usec_t information_request_time_usec;
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index 375f984940..8a435a5348 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -11,6 +11,7 @@
 #include "sd-dhcp6-client.h"
 
 #include "alloc-util.h"
+#include "device-util.h"
 #include "dhcp-identifier.h"
 #include "dhcp6-internal.h"
 #include "dhcp6-lease-internal.h"
@@ -1446,6 +1447,12 @@ sd_event *sd_dhcp6_client_get_event(sd_dhcp6_client *client) {
         return client->event;
 }
 
+int sd_dhcp6_client_attach_device(sd_dhcp6_client *client, sd_device *dev) {
+        assert_return(client, -EINVAL);
+
+        return device_unref_and_replace(client->dev, dev);
+}
+
 static sd_dhcp6_client *dhcp6_client_free(sd_dhcp6_client *client) {
         if (!client)
                 return NULL;
@@ -1461,6 +1468,8 @@ static sd_dhcp6_client *dhcp6_client_free(sd_dhcp6_client *client) {
 
         client->fd = safe_close(client->fd);
 
+        sd_device_unref(client->dev);
+
         free(client->req_opts);
         free(client->fqdn);
         free(client->mudurl);