Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto update from Herbert Xu:
 "Here is the crypto update for 3.20:

   - Added 192/256-bit key support to aesni GCM.
   - Added MIPS OCTEON MD5 support.
   - Fixed hwrng starvation and race conditions.
   - Added note that memzero_explicit is not a subsitute for memset.
   - Added user-space interface for crypto_rng.
   - Misc fixes"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (71 commits)
  crypto: tcrypt - do not allocate iv on stack for aead speed tests
  crypto: testmgr - limit IV copy length in aead tests
  crypto: tcrypt - fix buflen reminder calculation
  crypto: testmgr - mark rfc4106(gcm(aes)) as fips_allowed
  crypto: caam - fix resource clean-up on error path for caam_jr_init
  crypto: caam - pair irq map and dispose in the same function
  crypto: ccp - terminate ccp_support array with empty element
  crypto: caam - remove unused local variable
  crypto: caam - remove dead code
  crypto: caam - don't emit ICV check failures to dmesg
  hwrng: virtio - drop extra empty line
  crypto: replace scatterwalk_sg_next with sg_next
  crypto: atmel - Free memory in error path
  crypto: doc - remove colons in comments
  crypto: seqiv - Ensure that IV size is at least 8 bytes
  crypto: cts - Weed out non-CBC algorithms
  MAINTAINERS: add linux-crypto to hw random
  crypto: cts - Remove bogus use of seqiv
  crypto: qat - don't need qat_auth_state struct
  crypto: algif_rng - fix sparse non static symbol warning
  ...

1 files changed, 6 insertions, 44 deletions

diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index d94f07c78e19..34db04addc18 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -102,10 +102,6 @@ struct atmel_sha_ctx {
 	struct atmel_sha_dev	*dd;
 
 	unsigned long		flags;
-
-	/* fallback stuff */
-	struct crypto_shash	*fallback;
-
 };
 
 #define ATMEL_SHA_QUEUE_LENGTH	50
@@ -974,19 +970,8 @@ static int atmel_sha_digest(struct ahash_request *req)
 	return atmel_sha_init(req) ?: atmel_sha_finup(req);
 }
 
-static int atmel_sha_cra_init_alg(struct crypto_tfm *tfm, const char *alg_base)
+static int atmel_sha_cra_init(struct crypto_tfm *tfm)
 {
-	struct atmel_sha_ctx *tctx = crypto_tfm_ctx(tfm);
-	const char *alg_name = crypto_tfm_alg_name(tfm);
-
-	/* Allocate a fallback and abort if it failed. */
-	tctx->fallback = crypto_alloc_shash(alg_name, 0,
-					    CRYPTO_ALG_NEED_FALLBACK);
-	if (IS_ERR(tctx->fallback)) {
-		pr_err("atmel-sha: fallback driver '%s' could not be loaded.\n",
-				alg_name);
-		return PTR_ERR(tctx->fallback);
-	}
 	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
 				 sizeof(struct atmel_sha_reqctx) +
 				 SHA_BUFFER_LEN + SHA512_BLOCK_SIZE);
@@ -994,19 +979,6 @@ static int atmel_sha_cra_init_alg(struct crypto_tfm *tfm, const char *alg_base)
 	return 0;
 }
 
-static int atmel_sha_cra_init(struct crypto_tfm *tfm)
-{
-	return atmel_sha_cra_init_alg(tfm, NULL);
-}
-
-static void atmel_sha_cra_exit(struct crypto_tfm *tfm)
-{
-	struct atmel_sha_ctx *tctx = crypto_tfm_ctx(tfm);
-
-	crypto_free_shash(tctx->fallback);
-	tctx->fallback = NULL;
-}
-
 static struct ahash_alg sha_1_256_algs[] = {
 {
 	.init		= atmel_sha_init,
@@ -1020,14 +992,12 @@ static struct ahash_alg sha_1_256_algs[] = {
 			.cra_name		= "sha1",
 			.cra_driver_name	= "atmel-sha1",
 			.cra_priority		= 100,
-			.cra_flags		= CRYPTO_ALG_ASYNC |
-						CRYPTO_ALG_NEED_FALLBACK,
+			.cra_flags		= CRYPTO_ALG_ASYNC,
 			.cra_blocksize		= SHA1_BLOCK_SIZE,
 			.cra_ctxsize		= sizeof(struct atmel_sha_ctx),
 			.cra_alignmask		= 0,
 			.cra_module		= THIS_MODULE,
 			.cra_init		= atmel_sha_cra_init,
-			.cra_exit		= atmel_sha_cra_exit,
 		}
 	}
 },
@@ -1043,14 +1013,12 @@ static struct ahash_alg sha_1_256_algs[] = {
 			.cra_name		= "sha256",
 			.cra_driver_name	= "atmel-sha256",
 			.cra_priority		= 100,
-			.cra_flags		= CRYPTO_ALG_ASYNC |
-						CRYPTO_ALG_NEED_FALLBACK,
+			.cra_flags		= CRYPTO_ALG_ASYNC,
 			.cra_blocksize		= SHA256_BLOCK_SIZE,
 			.cra_ctxsize		= sizeof(struct atmel_sha_ctx),
 			.cra_alignmask		= 0,
 			.cra_module		= THIS_MODULE,
 			.cra_init		= atmel_sha_cra_init,
-			.cra_exit		= atmel_sha_cra_exit,
 		}
 	}
 },
@@ -1068,14 +1036,12 @@ static struct ahash_alg sha_224_alg = {
 			.cra_name		= "sha224",
 			.cra_driver_name	= "atmel-sha224",
 			.cra_priority		= 100,
-			.cra_flags		= CRYPTO_ALG_ASYNC |
-						CRYPTO_ALG_NEED_FALLBACK,
+			.cra_flags		= CRYPTO_ALG_ASYNC,
 			.cra_blocksize		= SHA224_BLOCK_SIZE,
 			.cra_ctxsize		= sizeof(struct atmel_sha_ctx),
 			.cra_alignmask		= 0,
 			.cra_module		= THIS_MODULE,
 			.cra_init		= atmel_sha_cra_init,
-			.cra_exit		= atmel_sha_cra_exit,
 		}
 	}
 };
@@ -1093,14 +1059,12 @@ static struct ahash_alg sha_384_512_algs[] = {
 			.cra_name		= "sha384",
 			.cra_driver_name	= "atmel-sha384",
 			.cra_priority		= 100,
-			.cra_flags		= CRYPTO_ALG_ASYNC |
-						CRYPTO_ALG_NEED_FALLBACK,
+			.cra_flags		= CRYPTO_ALG_ASYNC,
 			.cra_blocksize		= SHA384_BLOCK_SIZE,
 			.cra_ctxsize		= sizeof(struct atmel_sha_ctx),
 			.cra_alignmask		= 0x3,
 			.cra_module		= THIS_MODULE,
 			.cra_init		= atmel_sha_cra_init,
-			.cra_exit		= atmel_sha_cra_exit,
 		}
 	}
 },
@@ -1116,14 +1080,12 @@ static struct ahash_alg sha_384_512_algs[] = {
 			.cra_name		= "sha512",
 			.cra_driver_name	= "atmel-sha512",
 			.cra_priority		= 100,
-			.cra_flags		= CRYPTO_ALG_ASYNC |
-						CRYPTO_ALG_NEED_FALLBACK,
+			.cra_flags		= CRYPTO_ALG_ASYNC,
 			.cra_blocksize		= SHA512_BLOCK_SIZE,
 			.cra_ctxsize		= sizeof(struct atmel_sha_ctx),
 			.cra_alignmask		= 0x3,
 			.cra_module		= THIS_MODULE,
 			.cra_init		= atmel_sha_cra_init,
-			.cra_exit		= atmel_sha_cra_exit,
 		}
 	}
 },