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

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (29 commits)
  crypto: sha512-s390 - Add missing block size
  hwrng: timeriomem - Breaks an allyesconfig build on s390:
  nlattr: Fix build error with NET off
  crypto: testmgr - add zlib test
  crypto: zlib - New zlib crypto module, using pcomp
  crypto: testmgr - Add support for the pcomp interface
  crypto: compress - Add pcomp interface
  netlink: Move netlink attribute parsing support to lib
  crypto: Fix dead links
  hwrng: timeriomem - New driver
  crypto: chainiv - Use kcrypto_wq instead of keventd_wq
  crypto: cryptd - Per-CPU thread implementation based on kcrypto_wq
  crypto: api - Use dedicated workqueue for crypto subsystem
  crypto: testmgr - Test skciphers with no IVs
  crypto: aead - Avoid infinite loop when nivaead fails selftest
  crypto: skcipher - Avoid infinite loop when cipher fails selftest
  crypto: api - Fix crypto_alloc_tfm/create_create_tfm return convention
  crypto: api - crypto_alg_mod_lookup either tested or untested
  crypto: amcc - Add crypt4xx driver
  crypto: ansi_cprng - Add maintainer
  ...

1 files changed, 19 insertions, 0 deletions

diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 94140b3756fc..e11ce37c7104 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -282,6 +282,25 @@ static struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type,
                                           alg->cra_ablkcipher.ivsize))
                 return alg;
 
+        crypto_mod_put(alg);
+        alg = crypto_alg_mod_lookup(name, type | CRYPTO_ALG_TESTED,
+                                    mask & ~CRYPTO_ALG_TESTED);
+        if (IS_ERR(alg))
+                return alg;
+
+        if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
+            CRYPTO_ALG_TYPE_GIVCIPHER) {
+                if ((alg->cra_flags ^ type ^ ~mask) & CRYPTO_ALG_TESTED) {
+                        crypto_mod_put(alg);
+                        alg = ERR_PTR(-ENOENT);
+                }
+                return alg;
+        }
+
+        BUG_ON(!((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
+                 CRYPTO_ALG_TYPE_BLKCIPHER ? alg->cra_blkcipher.ivsize :
+                                             alg->cra_ablkcipher.ivsize));
+
         return ERR_PTR(crypto_givcipher_default(alg, type, mask));
 }