PVS-Studio warning V503 for Chromium

void GetCacheParameters(ContextType type, FilePath* cache_path,
                        int* max_size) {
  ...
  *max_size = 0;
  if (!base::StringToInt(value, max_size)) {
    *max_size = 0;
  } else if (max_size < 0) {
    *max_size = 0;
  }
  ...
}

This suspicious code was found in Chromium project by PVS-Studio static code analyzer.
Warning message is:
V503 This is a nonsensical comparison: pointer < 0.  browser  profile_impl.cc  169

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/