Initialize EvTrb local variable

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Baraneedharan Anbazhagan <[email protected]>
---
 MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c 
b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c
index 3632e8a..479319e 100644
--- a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c
+++ b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c
@@ -1050,6 +1050,7 @@ XhcPeiInitializeDeviceSlot (
   CmdTrb.CycleBit = 1;
   CmdTrb.Type     = TRB_TYPE_EN_SLOT;
 
+  EvtTrb = NULL;
   Status = XhcPeiCmdTransfer (
              Xhc,
              (TRB_TEMPLATE *) (UINTN) &CmdTrb,
@@ -1257,6 +1258,7 @@ XhcPeiInitializeDeviceSlot64 (
   CmdTrb.CycleBit = 1;
   CmdTrb.Type     = TRB_TYPE_EN_SLOT;
 
+  EvtTrb = NULL;
   Status = XhcPeiCmdTransfer (
              Xhc,
              (TRB_TEMPLATE *) (UINTN) &CmdTrb,
-- 
2.6.3.windows.1

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