greybus: connection: fix version-request error handling

Use the host device and connection name when logging errors as the
version-request helper must not assume that all connection have a
bundle.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/connection.c

@@ -378,8 +378,9 @@ static int gb_connection_protocol_get_version(struct gb_connection *connection)
 
 	ret = gb_protocol_get_version(connection);
 	if (ret) {
-		dev_err(&connection->bundle->dev,
-			"failed to get protocol version: %d\n", ret);
+		dev_err(&connection->hd->dev,
+			"%s: failed to get protocol version: %d\n",
+			connection->name, ret);
 		return ret;
 	}