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-rw-r--r--interface.c17
-rw-r--r--interface.h1
2 files changed, 14 insertions, 4 deletions
diff --git a/interface.c b/interface.c
index 4b22807..8c1c006 100644
--- a/interface.c
+++ b/interface.c
@@ -86,7 +86,8 @@ mark_interface_down(struct interface *iface)
{
vlist_flush_all(&iface->proto_addr);
vlist_flush_all(&iface->proto_route);
- device_release(&iface->main_dev);
+ if (iface->main_dev.dev)
+ device_release(&iface->main_dev);
iface->state = IFS_DOWN;
}
@@ -98,9 +99,11 @@ __interface_set_up(struct interface *iface)
if (iface->state != IFS_DOWN)
return 0;
- ret = device_claim(&iface->main_dev);
- if (ret)
- return ret;
+ if (iface->main_dev.dev) {
+ ret = device_claim(&iface->main_dev);
+ if (ret)
+ return ret;
+ }
iface->state = IFS_SETUP;
ret = interface_proto_event(iface->proto, PROTO_CMD_SETUP, false);
@@ -145,6 +148,12 @@ interface_cb(struct device_user *dep, enum device_event ev)
return;
}
+ interface_set_available(iface, new_state);
+}
+
+void
+interface_set_available(struct interface *iface, bool new_state)
+{
if (iface->available == new_state)
return;
diff --git a/interface.h b/interface.h
index 020306c..72a00c9 100644
--- a/interface.h
+++ b/interface.h
@@ -69,6 +69,7 @@ void interface_free(struct interface *iface);
void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state);
+void interface_set_available(struct interface *iface, bool new_state);
int interface_set_up(struct interface *iface);
int interface_set_down(struct interface *iface);