This reverts commit 6ef394ffe29bbc67038fc16ed540bfe6eed10e16.

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
---
 .../Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c b/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c
index 29cec56f39dc..1582b9a8d6de 100644
--- a/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c
+++ b/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c
@@ -443,7 +443,7 @@ DebugCommunicationUsb3DxeConstructor (
   }
 
 Done:
-  if ((mUsb3Instance != NULL) && mUsb3Instance->Ready && (mUsb3Instance->PciIoEvent == 0)) {
+  if (mUsb3Instance->Ready && (mUsb3Instance->PciIoEvent == 0)) {
     Status = Usb3NamedEventListen (
                &gEfiPciIoProtocolGuid,
                TPL_NOTIFY,
-- 
2.7.0.windows.1

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