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

* master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  [CRYPTO] aes: Fixed array boundary violation
  [CRYPTO] tcrypt: Fix key alignment
  [CRYPTO] all: Add missing cra_alignmask
  [CRYPTO] all: Use kzalloc where possible
  [CRYPTO] api: Align tfm context as wide as possible
  [CRYPTO] twofish: Use rol32/ror32 where appropriate

1 files changed, 9 insertions, 1 deletions

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index d88bf8aa8b47..0ab1bc1152ca 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -229,6 +229,8 @@ struct crypto_tfm {
         } crt_u;
         
         struct crypto_alg *__crt_alg;
+
+        char __crt_ctx[] __attribute__ ((__aligned__));
 };
 
 /* 
@@ -301,7 +303,13 @@ static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm)
 
 static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
 {
-        return (void *)&tfm[1];
+        return tfm->__crt_ctx;
+}
+
+static inline unsigned int crypto_tfm_ctx_alignment(void)
+{
+        struct crypto_tfm *tfm;
+        return __alignof__(tfm->__crt_ctx);
 }
 
 /*