The value of InputContext structure is initialized in XhcInitializeDeviceSlot/XhcInitializeDeviceSlot64, it shouldn't be cleared when used in XhcEvaluateContext64().

Signed-off-by: jdzhang <jdzhang@kunluntech.com.cn>
---
MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
index c2906e06fd..efbbe247c1 100644
--- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
+++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
@@ -4021,7 +4021,6 @@ XhcEvaluateContext64 (
// 4.6.7 Evaluate Context
//
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
-  ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));

InputContext->InputControlContext.Dword2 |= BIT1;
InputContext->EP[0].MaxPacketSize         = MaxPacketSize;
--
2.20.1.windows.1