crypto: cryptd - Use nivcipher in cryptd_alloc_ablkcipher

Use crypto_alloc_base() instead of crypto_alloc_ablkcipher() to
allocate underlying tfm in cryptd_alloc_ablkcipher. Because
crypto_alloc_ablkcipher() prefer GENIV encapsulated crypto instead of
raw one, while cryptd_alloc_ablkcipher needed the raw one.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 9 insertions, 5 deletions

diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index d14b22658d7a..ae5fa99d5d36 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -586,20 +586,24 @@ struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
                                                   u32 type, u32 mask)
 {
         char cryptd_alg_name[CRYPTO_MAX_ALG_NAME];
-        struct crypto_ablkcipher *tfm;
+        struct crypto_tfm *tfm;
 
         if (snprintf(cryptd_alg_name, CRYPTO_MAX_ALG_NAME,
                      "cryptd(%s)", alg_name) >= CRYPTO_MAX_ALG_NAME)
                 return ERR_PTR(-EINVAL);
-        tfm = crypto_alloc_ablkcipher(cryptd_alg_name, type, mask);
+        type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
+        type |= CRYPTO_ALG_TYPE_BLKCIPHER;
+        mask &= ~CRYPTO_ALG_TYPE_MASK;
+        mask |= (CRYPTO_ALG_GENIV | CRYPTO_ALG_TYPE_BLKCIPHER_MASK);
+        tfm = crypto_alloc_base(cryptd_alg_name, type, mask);
         if (IS_ERR(tfm))
                 return ERR_CAST(tfm);
-        if (crypto_ablkcipher_tfm(tfm)->__crt_alg->cra_module != THIS_MODULE) {
-                crypto_free_ablkcipher(tfm);
+        if (tfm->__crt_alg->cra_module != THIS_MODULE) {
+                crypto_free_tfm(tfm);
                 return ERR_PTR(-EINVAL);
         }
 
-        return __cryptd_ablkcipher_cast(tfm);
+        return __cryptd_ablkcipher_cast(__crypto_ablkcipher_cast(tfm));
 }
 EXPORT_SYMBOL_GPL(cryptd_alloc_ablkcipher);