diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbDesc.c b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbDesc.c index 5b8b1aaeae..fba60dae16 100644 --- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbDesc.c +++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbDesc.c @@ -199,8 +199,8 @@ UsbCreateDesc ( } } - if ((Len <= Offset) || (Len < Offset + DescLen) || - (Head->Type != Type) || (Head->Len != DescLen)) { + if ((Len <= Offset) || (Len < Offset + Head->Len) || + (Head->Type != Type) || (Head->Len < DescLen)) { DEBUG (( EFI_D_ERROR, "UsbCreateDesc: met mal-format descriptor\n")); return NULL; }