From d82622c6ebe810c766a2e731d84130363aa5c4ab Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Thu, 23 Jul 2009 09:14:58 +0200
Subject: [PATCH] Fix setup of udev context before loading any plugins

---
 src/connman.h     |  2 ++
 src/element.c     |  4 ++--
 src/main.c        |  2 ++
 src/rtnl.c        |  5 +++++
 src/udev-compat.c | 13 ++++++-------
 src/udev.c        | 33 +++++++++++++++++++++------------
 6 files changed, 38 insertions(+), 21 deletions(-)

diff --git a/src/connman.h b/src/connman.h
index d23ff63..93d508f 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -201,6 +201,7 @@ void __connman_connection_cleanup(void);
 gboolean __connman_connection_update_gateway(void);
 
 int __connman_udev_init(void);
+void __connman_udev_start(void);
 void __connman_udev_cleanup(void);
 char *__connman_udev_get_devtype(const char *ifname);
 char *__connman_udev_get_mbm_devnode(const char *ifname);
@@ -319,6 +320,7 @@ void __connman_notifier_offlinemode(connman_bool_t enabled);
 #include <connman/rtnl.h>
 
 int __connman_rtnl_init(void);
+void __connman_rtnl_start(void);
 void __connman_rtnl_cleanup(void);
 
 int __connman_rtnl_send(const void *buf, size_t len);
diff --git a/src/element.c b/src/element.c
index a5af1a7..60fbca1 100644
--- a/src/element.c
+++ b/src/element.c
@@ -1609,8 +1609,8 @@ void __connman_element_start(void)
 
 	started = TRUE;
 
-	__connman_rtnl_init();
-	__connman_udev_init();
+	__connman_rtnl_start();
+	__connman_udev_start();
 
 	__connman_connection_init();
 	__connman_ipv4_init();
diff --git a/src/main.c b/src/main.c
index c35d0d8..ede37a0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -205,6 +205,8 @@ int main(int argc, char *argv[])
 	__connman_profile_init(conn);
 
 	__connman_resolver_init();
+	__connman_rtnl_init();
+	__connman_udev_init();
 
 	__connman_plugin_init(option_plugin, option_noplugin);
 
diff --git a/src/rtnl.c b/src/rtnl.c
index 70e8c3c..5b07865 100644
--- a/src/rtnl.c
+++ b/src/rtnl.c
@@ -759,6 +759,11 @@ int __connman_rtnl_init(void)
 	return 0;
 }
 
+void __connman_rtnl_start(void)
+{
+	DBG("");
+}
+
 void __connman_rtnl_cleanup(void)
 {
 	GSList *list;
diff --git a/src/udev-compat.c b/src/udev-compat.c
index 448a18f..3ac069b 100644
--- a/src/udev-compat.c
+++ b/src/udev-compat.c
@@ -127,17 +127,16 @@ void __connman_udev_rfkill(const char *sysname, connman_bool_t blocked)
 
 int __connman_udev_init(void)
 {
-	int err;
-
 	DBG("");
 
-	err = connman_rtnl_register(&detect_rtnl);
-	if (err < 0)
-		return err;
+	return connman_rtnl_register(&detect_rtnl);
+}
 
-	connman_rtnl_send_getlink();
+void __connman_udev_start(void)
+{
+	DBG("");
 
-	return 0;
+	connman_rtnl_send_getlink();
 }
 
 void __connman_udev_cleanup(void)
diff --git a/src/udev.c b/src/udev.c
index b14b625..f65f1f5 100644
--- a/src/udev.c
+++ b/src/udev.c
@@ -35,7 +35,6 @@
 #include "connman.h"
 
 #ifdef NEED_UDEV_MONITOR_FILTER
-#if 0
 static int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor,
 				const char *subsystem, const char *devtype)
 {
@@ -50,7 +49,6 @@ static int udev_monitor_filter_remove(struct udev_monitor *udev_monitor)
 	return -EINVAL;
 }
 #endif
-#endif
 
 static GSList *device_list = NULL;
 
@@ -480,9 +478,6 @@ void __connman_udev_rfkill(const char *sysname, connman_bool_t blocked)
 
 int __connman_udev_init(void)
 {
-	GIOChannel *channel;
-	int fd;
-
 	DBG("");
 
 	udev_ctx = udev_new();
@@ -499,12 +494,26 @@ int __connman_udev_init(void)
 		return -1;
 	}
 
+	udev_monitor_filter_add_match_subsystem_devtype(udev_mon,
+							"net", NULL);
+	udev_monitor_filter_add_match_subsystem_devtype(udev_mon,
+							"rfkill", NULL);
+
+	udev_monitor_filter_update(udev_mon);
+
+	return 0;
+}
+
+void __connman_udev_start(void)
+{
+	GIOChannel *channel;
+	int fd;
+
+	DBG("");
+
 	if (udev_monitor_enable_receiving(udev_mon) < 0) {
 		connman_error("Failed to enable udev monitor");
-		udev_unref(udev_ctx);
-		udev_ctx = NULL;
-		udev_monitor_unref(udev_mon);
-		return -1;
+		return;
 	}
 
 	enumerate_devices(udev_ctx);
@@ -513,13 +522,11 @@ int __connman_udev_init(void)
 
 	channel = g_io_channel_unix_new(fd);
 	if (channel == NULL)
-		return 0;
+		return;
 
 	udev_watch = g_io_add_watch(channel, G_IO_IN, udev_event, udev_mon);
 
 	g_io_channel_unref(channel);
-
-	return 0;
 }
 
 void __connman_udev_cleanup(void)
@@ -544,6 +551,8 @@ void __connman_udev_cleanup(void)
 	if (udev_ctx == NULL)
 		return;
 
+	udev_monitor_filter_remove(udev_mon);
+
 	udev_monitor_unref(udev_mon);
 	udev_unref(udev_ctx);
 }
-- 
2.7.4