[PATCH 3/9] Add btd_error_not_supported()

["Gustavo F. Padovan" <padovan@profusion.mobi>]

---
 audio/control.c |    8 ++------
 src/device.c    |    4 +---
 src/error.c     |    7 +++++++
 src/error.h     |    1 +
 4 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/audio/control.c b/audio/control.c
index ce34eb4..e710f8f 100644
--- a/audio/control.c
+++ b/audio/control.c
@@ -1019,9 +1019,7 @@ static DBusMessage *volume_up(DBusConnection *conn, DBusMessage *msg,
 					"Device not Connected");
 
 	if (!control->target)
-		return g_dbus_create_error(msg,
-					ERROR_INTERFACE ".NotSupported",
-					"AVRCP Target role not supported");
+		return btd_error_not_supported(msg);
 
 	err = avctp_send_passthrough(control, VOL_UP_OP);
 	if (err < 0)
@@ -1049,9 +1047,7 @@ static DBusMessage *volume_down(DBusConnection *conn, DBusMessage *msg,
 					"Device not Connected");
 
 	if (!control->target)
-		return g_dbus_create_error(msg,
-					ERROR_INTERFACE ".NotSupported",
-					"AVRCP Target role not supported");
+		return btd_error_not_supported(msg);
 
 	err = avctp_send_passthrough(control, VOL_DOWN_OP);
 	if (err < 0)
diff --git a/src/device.c b/src/device.c
index 3a9cc76..6363ed0 100644
--- a/src/device.c
+++ b/src/device.c
@@ -538,9 +538,7 @@ static DBusMessage *set_blocked(DBusConnection *conn, DBusMessage *msg,
 	case 0:
 		return dbus_message_new_method_return(msg);
 	case EINVAL:
-		return g_dbus_create_error(msg,
-					ERROR_INTERFACE ".NotSupported",
-					"Kernel lacks blacklist support");
+		return btd_error_not_supported(msg);
 	default:
 		return g_dbus_create_error(msg, ERROR_INTERFACE ".Failed",
 						"%s", strerror(-err));
diff --git a/src/error.c b/src/error.c
index 415511d..0ea007a 100644
--- a/src/error.c
+++ b/src/error.c
@@ -62,3 +62,10 @@ DBusMessage *btd_error_already_exists(DBusMessage *msg)
 				ERROR_INTERFACE ".AlreadyExists",
 				"Already Exists");
 }
+
+DBusMessage *btd_error_not_supported(DBusMessage *msg)
+{
+	return g_dbus_create_error(msg, ERROR_INTERFACE
+					".NotSupported",
+					"Operation is not supported");
+}
diff --git a/src/error.h b/src/error.h
index de40f57..71b40d9 100644
--- a/src/error.h
+++ b/src/error.h
@@ -32,3 +32,4 @@ DBusHandlerResult error_common_reply(DBusConnection *conn, DBusMessage *msg,
 
 DBusMessage *btd_error_invalid_args(DBusMessage *msg);
 DBusMessage *btd_error_already_exists(DBusMessage *msg);
+DBusMessage *btd_error_not_supported(DBusMessage *msg);
-- 
1.7.3.2