Merge "Handle non-format partition in Vold" am: 385ca5d236

am: 63b7774894

* commit '63b77748946dc1c18c758d9094e8b735de5ef249':
  Handle non-format partition in Vold

fs/Vfat.cpp

@@ -108,6 +108,11 @@ status_t Check(const std::string& source) {
             errno = EIO;
             return -1;
 
+        case 8:
+            SLOGE("Filesystem check failed (no filesystem)");
+            errno = ENODATA;
+            return -1;
+
         default:
             SLOGE("Filesystem check failed (unknown exit code %d)", rc);
             errno = EIO;