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-rw-r--r--crypto/shash.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 14a3b707a31..f7fcc652ff3 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -142,8 +142,7 @@ int crypto_shash_finup(struct shash_desc *desc, const u8 *data,
struct shash_alg *shash = crypto_shash_alg(tfm);
unsigned long alignmask = crypto_shash_alignmask(tfm);
- if (((unsigned long)data | (unsigned long)out) & alignmask ||
- !shash->finup)
+ if (((unsigned long)data | (unsigned long)out) & alignmask)
return shash_finup_unaligned(desc, data, len, out);
return shash->finup(desc, data, len, out);
@@ -164,8 +163,7 @@ int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
struct shash_alg *shash = crypto_shash_alg(tfm);
unsigned long alignmask = crypto_shash_alignmask(tfm);
- if (((unsigned long)data | (unsigned long)out) & alignmask ||
- !shash->digest)
+ if (((unsigned long)data | (unsigned long)out) & alignmask)
return shash_digest_unaligned(desc, data, len, out);
return shash->digest(desc, data, len, out);
@@ -488,6 +486,10 @@ static int shash_prepare_alg(struct shash_alg *alg)
base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
base->cra_flags |= CRYPTO_ALG_TYPE_SHASH;
+ if (!alg->finup)
+ alg->finup = shash_finup_unaligned;
+ if (!alg->digest)
+ alg->digest = shash_digest_unaligned;
if (!alg->import)
alg->import = shash_no_import;
if (!alg->export)