PhysicalMemory: clean up garbage data

Author: CarterLi

src/detection/physicalmemory/physicalmemory.c

@@ -23,6 +23,7 @@ static inline const char* getVendorString(unsigned vendorId)
 
 void FFPhysicalMemoryUpdateVendorString(FFPhysicalMemoryResult* device)
 {
+    if (device->vendor.length == 0) return;
     if (ffStrbufEqualS(&device->vendor, "Unknown"))
     {
         ffStrbufClear(&device->vendor);

src/detection/physicalmemory/physicalmemory_linux.c

@@ -191,6 +191,7 @@ const char* ffDetectPhysicalMemory(FFlist* result)
                 device->maxSpeed = data->Speed == 0xFFFF ? data->ExtendedSpeed : data->Speed;
 
             ffStrbufSetStatic(&device->vendor, ffSmbiosLocateString(strings, data->Manufacturer));
+            ffCleanUpSmbiosValue(&device->vendor);
             FFPhysicalMemoryUpdateVendorString(device);
 
             ffStrbufSetStatic(&device->serial, ffSmbiosLocateString(strings, data->SerialNumber));