Add explicit guards to all device mode tasks to ensure the device is connected and...

[pub/lufa.git] / LUFA / Drivers / USB / Class / Device / CDC.c

diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c
index 07c0514..12b5593 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/CDC.c
+++ b/LUFA/Drivers/USB/Class/Device/CDC.c
@@ -114,7 +114,7 @@ bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 \r
 void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
 {\r
-       if (!(USB_IsConnected))\r
+       if (!(USB_IsConnected) || !(USB_ConfigurationNumber))\r
          return;\r
 \r
        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r