+ struct crypto_tfm *tfm = crypto_hash_tfm(desc->tfm);
+ unsigned long alignmask = crypto_tfm_alg_alignmask(tfm);
+ struct digest_alg *digest = &tfm->__crt_alg->cra_digest;
+
+ if (unlikely((unsigned long)out & alignmask)) {
+ unsigned long align = alignmask + 1;
+ unsigned long addr = (unsigned long)crypto_tfm_ctx(tfm);
+ u8 *dst = (u8 *)ALIGN(addr, align) +
+ ALIGN(tfm->__crt_alg->cra_ctxsize, align);
+
+ digest->dia_final(tfm, dst);
+ memcpy(out, dst, digest->dia_digestsize);
+ } else
+ digest->dia_final(tfm, out);
+
+ return 0;