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Diffstat (limited to 'src/network/networkd-netdev.c')
-rw-r--r--src/network/networkd-netdev.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index a8a629bd1f..961404295d 100644
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -48,7 +48,7 @@ static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = {
DEFINE_STRING_TABLE_LOOKUP(macvlan_mode, MacVlanMode);
DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
-void netdev_free(NetDev *netdev) {
+static void netdev_free(NetDev *netdev) {
netdev_enslave_callback *callback;
if (!netdev)
@@ -75,6 +75,20 @@ void netdev_free(NetDev *netdev) {
free(netdev);
}
+NetDev *netdev_unref(NetDev *netdev) {
+ if (netdev && (-- netdev->n_ref <= 0))
+ netdev_free(netdev);
+
+ return NULL;
+}
+
+NetDev *netdev_ref(NetDev *netdev) {
+ if (netdev)
+ assert_se(++ netdev->n_ref >= 2);
+
+ return netdev;
+}
+
int netdev_get(Manager *manager, const char *name, NetDev **ret) {
NetDev *netdev;
@@ -413,7 +427,7 @@ int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) {
}
static int netdev_load_one(Manager *manager, const char *filename) {
- _cleanup_netdev_free_ NetDev *netdev = NULL;
+ _cleanup_netdev_unref_ NetDev *netdev = NULL;
_cleanup_fclose_ FILE *file = NULL;
int r;
@@ -437,6 +451,7 @@ static int netdev_load_one(Manager *manager, const char *filename) {
if (!netdev)
return log_oom();
+ netdev->n_ref = 1;
netdev->manager = manager;
netdev->state = _NETDEV_STATE_INVALID;
netdev->kind = _NETDEV_KIND_INVALID;
@@ -517,7 +532,7 @@ int netdev_load(Manager *manager) {
assert(manager);
while ((netdev = hashmap_first(manager->netdevs)))
- netdev_free(netdev);
+ netdev_unref(netdev);
r = conf_files_list_strv(&files, ".netdev", NULL, network_dirs);
if (r < 0) {