1 files changed, 2 insertions, 0 deletions
diff --git a/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Common.c b/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Common.c
index c577df7dea..87fb026548 100644
--- a/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Common.c
+++ b/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Common.c
@@ -906,6 +906,7 @@ DebugPortWriteBuffer (
   USB3_DEBUG_PORT_HANDLE    *UsbDebugPortHandle;
   UINTN                     Sent;
   UINTN                     Total;
+  UINTN                     Index;
 
   if (NumberOfBytes == 0 || Buffer == NULL) {
     return 0;
@@ -933,6 +934,7 @@ DebugPortWriteBuffer (
   //
   DebugPortPollBuffer (UsbDebugPortHandle);
 
+  Index = 0;
   while ((Total < NumberOfBytes)) {
     if (NumberOfBytes - Total > USB3_DEBUG_PORT_WRITE_MAX_PACKET_SIZE) {
       Sent = USB3_DEBUG_PORT_WRITE_MAX_PACKET_SIZE;