Remove large-transfers, as the concept is fundamentally broken

libusb/src/driver/ioctl.c

@@ -72,17 +72,16 @@
 // calls the transfer function and returns NTSTATUS
 #define TRANSFER_IOCTL_EXECUTE()										\
 	if (transfer_buffer_length > (ULONG)(maxTransferSize))				\
-	/* split large transfers */											\
-	return large_transfer(dev, irp,					\
+	/* capped transfer */							\
+	return transfer(dev, irp,						\
 	usbdDirection,									\
 	urbFunction,									\
 	pipe_info,										\
 	request->endpoint.packet_size,					\
-	maxTransferSize,								\
 	request->endpoint.transfer_flags,				\
 	request->endpoint.iso_start_frame_latency,		\
 	transfer_buffer_mdl,							\
-	transfer_buffer_length);						\
+	maxTransferSize);					\
 	else											\
 	/* normal transfer */							\
 	return transfer(dev, irp,						\

libusb/src/driver/libusb_driver.h

@@ -350,18 +350,6 @@ NTSTATUS transfer(libusb_device_t* dev,
 				  IN PMDL mdlAddress,
 				  IN int totalLength);
 
-NTSTATUS large_transfer(IN libusb_device_t* dev,
-						IN PIRP irp,
-						IN int direction,
-						IN int urbFunction,
-						IN libusb_endpoint_t* endpoint,
-						IN int packetSize,
-						IN int maxTransferSize,
-						IN int transferFlags,
-						IN int isoLatency,
-						IN PMDL mdlAddress,
-						IN int totalLength);
-
 ULONG get_current_frame(IN PDEVICE_EXTENSION dev, IN PIRP Irp);
 
 PVOID allocate_pool(SIZE_T bytes);