[PATCH 2/2] dbus: Handle kdbus KDBUS_ITEM_REPLY_TIMEOUT / _DEAD

[Andrew Zaborowski <andrew.zaborowski@intel.com>]

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Generate DBus1-like error messages on kernel error notifications.
---
 ell/dbus-kernel.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/ell/dbus-kernel.c b/ell/dbus-kernel.c
index b5a07a5..4fd2f29 100644
--- a/ell/dbus-kernel.c
+++ b/ell/dbus-kernel.c
@@ -559,6 +559,7 @@ int _dbus_kernel_recv(int fd, void *kdbus_pool,
 	struct kdbus_item *item;
 	int r;
 	size_t min_size;
+	const char *error;
 
 	memset(&recv_cmd, 0, sizeof(recv_cmd));
 
@@ -601,6 +602,23 @@ int _dbus_kernel_recv(int fd, void *kdbus_pool,
 						user_data);
 			break;
 
+		case KDBUS_ITEM_REPLY_TIMEOUT:
+		case KDBUS_ITEM_REPLY_DEAD:
+			if (item->type == KDBUS_ITEM_REPLY_TIMEOUT)
+				error = "Did not receive a reply.";
+			else
+				error = "Message recipient disconnected from "
+					"message bus without replying.";
+
+			dbus_msg = _dbus_message_new_error(
+					2, msg->cookie_reply, NULL,
+					"org.freedesktop.DBus.Error.NoReply",
+					error);
+			if (dbus_msg)
+				message_func(dbus_msg, user_data);
+
+			break;
+
 		default:
 			break;
 		}
-- 
2.5.0