From 3a9fe0cb9fa812bdecdf0a6f2d5e81877fe8cd1b Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 5 Apr 2011 02:35:29 +0200
Subject: [PATCH] prevent autostart of interfaces during config init

---
 config.c    |  5 +++++
 interface.c | 13 ++++++++++++-
 interface.h |  2 ++
 netifd.h    |  1 +
 4 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/config.c b/config.c
index 66cee84..51e355c 100644
--- a/config.c
+++ b/config.c
@@ -6,6 +6,7 @@
 #include "interface.h"
 
 struct uci_context *uci_ctx;
+bool config_init = false;
 
 static void config_parse_interface(struct uci_section *s)
 {
@@ -40,6 +41,7 @@ void config_init_interfaces(const char *name)
 		return;
 	}
 
+	config_init = true;
 	uci_foreach_element(&p->sections, e) {
 		struct uci_section *s = uci_to_section(e);
 
@@ -49,4 +51,7 @@ void config_init_interfaces(const char *name)
 		if (!strcmp(s->type, "interface"))
 			config_parse_interface(s);
 	}
+	config_init = false;
+
+	start_pending_interfaces();
 }
diff --git a/interface.c b/interface.c
index 823a06f..06a36ed 100644
--- a/interface.c
+++ b/interface.c
@@ -130,7 +130,7 @@ interface_cb(struct device_user *dep, enum device_event ev)
 	iface->active = new_state;
 
 	if (new_state) {
-		if (iface->autostart)
+		if (iface->autostart && !config_init)
 			set_interface_up(iface);
 	} else
 		__set_interface_down(iface, true);
@@ -277,3 +277,14 @@ set_interface_down(struct interface *iface)
 
 	return 0;
 }
+
+void
+start_pending_interfaces(void)
+{
+	struct interface *iface;
+
+	list_for_each_entry(iface, &interfaces, list) {
+		if (iface->active && iface->autostart)
+			set_interface_up(iface);
+	}
+}
diff --git a/interface.h b/interface.h
index 6bd8761..92bae5a 100644
--- a/interface.h
+++ b/interface.h
@@ -69,4 +69,6 @@ void interface_add_error(struct interface *iface, const char *subsystem,
 
 int interface_attach_bridge(struct interface *iface, struct uci_section *s);
 
+void start_pending_interfaces(void);
+
 #endif
diff --git a/netifd.h b/netifd.h
index 17b839b..160ea3b 100644
--- a/netifd.h
+++ b/netifd.h
@@ -23,6 +23,7 @@ struct device;
 struct interface;
 
 extern struct uci_context *uci_ctx;
+extern bool config_init;
 
 void config_init_interfaces(const char *name);
 
-- 
2.11.0