crypto: sha-mb - mark Multi buffer SHA1 helper cipher

Flag all Multi buffer SHA1 helper ciphers as internal ciphers
to prevent them from being called by normal users.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 5 insertions, 2 deletions

diff --git a/arch/x86/crypto/sha-mb/sha1_mb.c b/arch/x86/crypto/sha-mb/sha1_mb.c
index 9414fd964ecd..e510b1c5d690 100644
--- a/arch/x86/crypto/sha-mb/sha1_mb.c
+++ b/arch/x86/crypto/sha-mb/sha1_mb.c
@@ -694,7 +694,8 @@ static struct shash_alg sha1_mb_shash_alg = {
                  * use ASYNC flag as some buffers in multi-buffer
                  * algo may not have completed before hashing thread sleep
                  */
-                .cra_flags       = CRYPTO_ALG_TYPE_SHASH | CRYPTO_ALG_ASYNC,
+                .cra_flags       = CRYPTO_ALG_TYPE_SHASH | CRYPTO_ALG_ASYNC |
+                                   CRYPTO_ALG_INTERNAL,
                 .cra_blocksize   = SHA1_BLOCK_SIZE,
                 .cra_module      = THIS_MODULE,
                 .cra_list        = LIST_HEAD_INIT(sha1_mb_shash_alg.base.cra_list),
@@ -770,7 +771,9 @@ static int sha1_mb_async_init_tfm(struct crypto_tfm *tfm)
         struct sha1_mb_ctx *ctx = crypto_tfm_ctx(tfm);
         struct mcryptd_hash_ctx *mctx;
 
-        mcryptd_tfm = mcryptd_alloc_ahash("__intel_sha1-mb", 0, 0);
+        mcryptd_tfm = mcryptd_alloc_ahash("__intel_sha1-mb",
+                                          CRYPTO_ALG_INTERNAL,
+                                          CRYPTO_ALG_INTERNAL);
         if (IS_ERR(mcryptd_tfm))
                 return PTR_ERR(mcryptd_tfm);
         mctx = crypto_ahash_ctx(&mcryptd_tfm->base);