4 files changed, 11 insertions, 10 deletions
diff --git a/gatchat/gatppp.c b/gatchat/gatppp.c
index 7afff531..556387ae 100644
--- a/gatchat/gatppp.c
+++ b/gatchat/gatppp.c
@@ -59,11 +59,13 @@ void g_at_ppp_set_connect_function(GAtPPP *ppp, GAtPPPConnectFunc func,
 	ppp->connect_data = user_data;
 }
 
-void g_at_ppp_set_disconnect_function(GAtPPP *ppp,
-				  GAtPPPDisconnectFunc callback,
-				  gpointer user_data)
+void g_at_ppp_set_disconnect_function(GAtPPP *ppp, GAtDisconnectFunc func,
+					  gpointer user_data)
 {
-	ppp->disconnect_cb = callback;
+	if (func == NULL)
+		return;
+
+	ppp->disconnect_cb = func;
 	ppp->disconnect_data = user_data;
 }
 
diff --git a/gatchat/gatppp.h b/gatchat/gatppp.h
index 41aadcad..b37f74d5 100644
--- a/gatchat/gatppp.h
+++ b/gatchat/gatppp.h
@@ -26,6 +26,8 @@
 extern "C" {
 #endif
 
+#include "gat.h"
+
 struct _GAtPPP;
 typedef struct _GAtPPP GAtPPP;
 
@@ -39,14 +41,11 @@ typedef void (*GAtPPPConnectFunc)(GAtPPPConnectStatus success,
 					const char *dns1, const char *dns2,
 					gpointer user_data);
 
-typedef void (*GAtPPPDisconnectFunc)(GAtPPP *ppp, gpointer user_data);
-
 GAtPPP * g_at_ppp_new(GIOChannel *modem);
 void g_at_ppp_open(GAtPPP *ppp);
 void g_at_ppp_set_connect_function(GAtPPP *ppp, GAtPPPConnectFunc callback,
 					gpointer user_data);
-void g_at_ppp_set_disconnect_function(GAtPPP *ppp,
-					GAtPPPDisconnectFunc callback,
+void g_at_ppp_set_disconnect_function(GAtPPP *ppp, GAtDisconnectFunc func,
 					gpointer user_data);
 void g_at_ppp_shutdown(GAtPPP *ppp);
 void g_at_ppp_ref(GAtPPP *ppp);
diff --git a/gatchat/ppp.c b/gatchat/ppp.c
index 7755791c..99af49a3 100644
--- a/gatchat/ppp.c
+++ b/gatchat/ppp.c
@@ -383,7 +383,7 @@ static void ppp_dead(GAtPPP *ppp)
 {
 	/* notify interested parties */
 	if (ppp->disconnect_cb)
-		ppp->disconnect_cb(ppp, ppp->disconnect_data);
+		ppp->disconnect_cb(ppp->disconnect_data);
 
 	if (g_atomic_int_get(&ppp->ref_count))
 		return;
diff --git a/gatchat/ppp.h b/gatchat/ppp.h
index 6797603d..9a9eab2b 100644
--- a/gatchat/ppp.h
+++ b/gatchat/ppp.h
@@ -133,7 +133,7 @@ struct _GAtPPP {
 	GQueue *recv_queue;
 	GAtPPPConnectFunc connect_cb;
 	gpointer connect_data;
-	GAtPPPDisconnectFunc disconnect_cb;
+	GAtDisconnectFunc disconnect_cb;
 	gpointer disconnect_data;
 	gint modem_watch;
 };