X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/bf50959b8016adbf6b295178b26b8173514dd060..67f390fe746ccc4d1dceac23f590eb1723cb7ff2:/LUFA/Drivers/USB/Class/Device/MassStorage.c

diff --git a/LUFA/Drivers/USB/Class/Device/MassStorage.c b/LUFA/Drivers/USB/Class/Device/MassStorage.c
index 9d73989b7..ceb4b9647 100644
--- a/LUFA/Drivers/USB/Class/Device/MassStorage.c
+++ b/LUFA/Drivers/USB/Class/Device/MassStorage.c
@@ -96,7 +96,7 @@ bool MS_Device_ConfigureEndpoints(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
 
 void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
 {
-	if (!(USB_IsConnected))
+	if (!(USB_IsConnected) || !(USB_ConfigurationNumber))
 	  return;
 
 	Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);