first murmurs of ethernet support

src/RedirectablePrint.cpp

@@ -47,8 +47,6 @@ size_t RedirectablePrint::vprintf(const char *format, va_list arg)
     size_t len = vsnprintf(printBuf, sizeof(printBuf), format, copy);
     va_end(copy);
 
-    if (len < 0) return 0;
-
     // If the resulting string is longer than sizeof(printBuf)-1 characters, the remaining characters are still counted for the return value
 
     if (len > sizeof(printBuf) - 1) {