Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto update from Herbert Xu:
 "API:

   - Add support for cipher output IVs in testmgr
   - Add missing crypto_ahash_blocksize helper
   - Mark authenc and des ciphers as not allowed under FIPS.

Algorithms:

   - Add CRC support to 842 compression
   - Add keywrap algorithm
   - A number of changes to the akcipher interface:
      + Separate functions for setting public/private keys.
      + Use SG lists.

Drivers:

   - Add Intel SHA Extension optimised SHA1 and SHA256
   - Use dma_map_sg instead of custom functions in crypto drivers
   - Add support for STM32 RNG
   - Add support for ST RNG
   - Add Device Tree support to exynos RNG driver
   - Add support for mxs-dcp crypto device on MX6SL
   - Add xts(aes) support to caam
   - Add ctr(aes) and xts(aes) support to qat
   - A large set of fixes from Russell King for the marvell/cesa driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (115 commits)
  crypto: asymmetric_keys - Fix unaligned access in x509_get_sig_params()
  crypto: akcipher - Don't #include crypto/public_key.h as the contents aren't used
  hwrng: exynos - Add Device Tree support
  hwrng: exynos - Fix missing configuration after suspend to RAM
  hwrng: exynos - Add timeout for waiting on init done
  dt-bindings: rng: Describe Exynos4 PRNG bindings
  crypto: marvell/cesa - use __le32 for hardware descriptors
  crypto: marvell/cesa - fix missing cpu_to_le32() in mv_cesa_dma_add_op()
  crypto: marvell/cesa - use memcpy_fromio()/memcpy_toio()
  crypto: marvell/cesa - use gfp_t for gfp flags
  crypto: marvell/cesa - use dma_addr_t for cur_dma
  crypto: marvell/cesa - use readl_relaxed()/writel_relaxed()
  crypto: caam - fix indentation of close braces
  crypto: caam - only export the state we really need to export
  crypto: caam - fix non-block aligned hash calculation
  crypto: caam - avoid needlessly saving and restoring caam_hash_ctx
  crypto: caam - print errno code when hash registration fails
  crypto: marvell/cesa - fix memory leak
  crypto: marvell/cesa - fix first-fragment handling in mv_cesa_ahash_dma_last_req()
  crypto: marvell/cesa - rearrange handling for sw padded hashes
  ...

1 files changed, 13 insertions, 4 deletions

diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 2b00b617..46a4a757 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -48,6 +48,8 @@
 #define ENCRYPT 1
 #define DECRYPT 0
 
+#define MAX_DIGEST_SIZE		64
+
 /*
  * return a string with the driver name
  */
@@ -950,7 +952,7 @@ static void test_ahash_speed(const char *algo, unsigned int secs,
 	struct tcrypt_result tresult;
 	struct ahash_request *req;
 	struct crypto_ahash *tfm;
-	static char output[1024];
+	char *output;
 	int i, ret;
 
 	tfm = crypto_alloc_ahash(algo, 0, 0);
@@ -963,9 +965,9 @@ static void test_ahash_speed(const char *algo, unsigned int secs,
 	printk(KERN_INFO "\ntesting speed of async %s (%s)\n", algo,
 			get_driver_name(crypto_ahash, tfm));
 
-	if (crypto_ahash_digestsize(tfm) > sizeof(output)) {
-		pr_err("digestsize(%u) > outputbuffer(%zu)\n",
-		       crypto_ahash_digestsize(tfm), sizeof(output));
+	if (crypto_ahash_digestsize(tfm) > MAX_DIGEST_SIZE) {
+		pr_err("digestsize(%u) > %d\n", crypto_ahash_digestsize(tfm),
+		       MAX_DIGEST_SIZE);
 		goto out;
 	}
 
@@ -980,6 +982,10 @@ static void test_ahash_speed(const char *algo, unsigned int secs,
 	ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
 				   tcrypt_complete, &tresult);
 
+	output = kmalloc(MAX_DIGEST_SIZE, GFP_KERNEL);
+	if (!output)
+		goto out_nomem;
+
 	for (i = 0; speed[i].blen != 0; i++) {
 		if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
 			pr_err("template (%u) too big for tvmem (%lu)\n",
@@ -1006,6 +1012,9 @@ static void test_ahash_speed(const char *algo, unsigned int secs,
 		}
 	}
 
+	kfree(output);
+
+out_nomem:
 	ahash_request_free(req);
 
 out: