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-rw-r--r--heimdall/source/BridgeManager.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/heimdall/source/BridgeManager.cpp b/heimdall/source/BridgeManager.cpp
index 1065795..b7bff3d 100644
--- a/heimdall/source/BridgeManager.cpp
+++ b/heimdall/source/BridgeManager.cpp
@@ -650,6 +650,14 @@ bool BridgeManager::SendBulkTransfer(unsigned char *data, int length, int timeou
int BridgeManager::ReceiveBulkTransfer(unsigned char *data, int length, int timeout, bool retry) const
{
+ if (data == nullptr)
+ {
+ // HACK: It seems WinUSB ignores us when we try to read with length zero.
+ static unsigned char dummyData;
+ data = &dummyData;
+ length = 1;
+ }
+
int dataTransferred;
int result = libusb_bulk_transfer(deviceHandle, inEndpoint, data, length, &dataTransferred, timeout);