CID 1363289: Error handling issues in lib/ts/HashMD5.cc

*** CID 1363289:  Error handling issues  (CHECKED_RETURN)
/lib/ts/HashMD5.cc: 36 in ATSHashMD5::update(const void *, unsigned long)()
30     }
31     
32     void
33     ATSHashMD5::update(const void *data, size_t len)
34     {
35       if (!finalized) {
   CID 1363289:  Error handling issues  (CHECKED_RETURN)
   Calling "EVP_DigestUpdate" without checking return value (as is done elsewhere 4 out of 5 times).
36         EVP_DigestUpdate(ctx, data, len);
37       }
38     }
39     
40     void
41     ATSHashMD5::final(void)