RequestMap is used but not Initialized.
RequestMap is called by UhciMapUserRequest, in which RequestMap(Map)
is called by IoMmuMap, and is finally called by IoMmu->Map.
We can not assume RequestMap is given an initial value at any step.
Cc: Hao A Wu <hao.a...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Signed-off-by: Shenglei Zhang <shenglei.zh...@intel.com>
---
MdeModulePkg/Bus/Pci/UhciPei/UhcPeim.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/MdeModulePkg/Bus/Pci/UhciPei/UhcPeim.c
b/MdeModulePkg/Bus/Pci/UhciPei/UhcPeim.c
index b897c3f82ce6..a05834da3c4a 100644
--- a/MdeModulePkg/Bus/Pci/UhciPei/UhcPeim.c
+++ b/MdeModulePkg/Bus/Pci/UhciPei/UhcPeim.c
@@ -274,6 +274,8 @@ UhcControlTransfer (
PktID = INPUT_PACKET_ID;
+ RequestMap = NULL;
+
if (Request == NULL || TransferResult == NULL) {
return EFI_INVALID_PARAMETER;
}
--
2.18.0.windows.1
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