diff options
Diffstat (limited to 'MdePkg/Library/UefiUsbLib/UsbDxeLib.c')
| -rw-r--r-- | MdePkg/Library/UefiUsbLib/UsbDxeLib.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/MdePkg/Library/UefiUsbLib/UsbDxeLib.c b/MdePkg/Library/UefiUsbLib/UsbDxeLib.c index 90b0fd3ea5..a1d61d52bf 100644 --- a/MdePkg/Library/UefiUsbLib/UsbDxeLib.c +++ b/MdePkg/Library/UefiUsbLib/UsbDxeLib.c @@ -527,6 +527,10 @@ UsbClearEndpointHalt ( EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
UINT8 Index;
+ if (UsbIo == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
ZeroMem (&EndpointDescriptor, sizeof (EFI_USB_ENDPOINT_DESCRIPTOR));
//
// First seach the endpoint descriptor for that endpoint addr
|