crypto: Add CRYPTO_ALG_KERN_DRIVER_ONLY flag

The added CRYPTO_ALG_KERN_DRIVER_ONLY indicates whether a cipher
is only available via a kernel driver. If the cipher implementation
might be available by using an instruction set or by porting the
kernel code, then it must not be set.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index e73cf2e8110a..e9acadbb1d34 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -2205,7 +2205,8 @@ static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
         alg->cra_blocksize = template->blocksize;
         alg->cra_alignmask = 0;
         alg->cra_ctxsize = sizeof(struct caam_ctx);
-        alg->cra_flags = CRYPTO_ALG_ASYNC | template->type;
+        alg->cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
+                         template->type;
         switch (template->type) {
         case CRYPTO_ALG_TYPE_ABLKCIPHER:
                 alg->cra_type = &crypto_ablkcipher_type;