- crypto_digest_update(tfm, sg, 1);
- process_xdr_buf(body, body_offset, body->len - body_offset,
- checksummer, tfm);
- crypto_digest_final(tfm, cksum->data);
- crypto_free_tfm(tfm);
- return 0;
+ err = crypto_hash_update(&desc, sg, hdrlen);
+ if (err)
+ goto out;
+ err = process_xdr_buf(body, body_offset, body->len - body_offset,
+ checksummer, &desc);
+ if (err)
+ goto out;
+ err = crypto_hash_final(&desc, cksum->data);
+
+out:
+ crypto_free_hash(desc.tfm);
+ return err ? GSS_S_FAILURE : 0;