PVS-Studio warning V501 for OpenSSL

EVP_PKEY *STORE_get_private_key(....)
{
  STORE_OBJECT *object;
  ....
  if (!object || !object->data.key || !object->data.key)
  {
    STOREerr(STORE_F_STORE_GET_PRIVATE_KEY,
             STORE_R_FAILED_GETTING_KEY);
    return 0;
  }
  ....
}

This suspicious code was found in OpenSSL project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions '!object->data.key' to the left and to the right of the '||' operator. str_lib.c 475

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/