[CRYPTO] Ensure cit_iv is aligned correctly

This patch ensures that cit_iv is aligned according to cra_alignmask
by allocating it as part of the tfm structure.  As a side effect the
crypto layer will also guarantee that the tfm ctx area has enough space
to be aligned by cra_alignmask.  This allows us to remove the extra
space reservation from the Padlock driver.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index d2745ff4699c..c5b58fae95f2 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -465,8 +465,7 @@ static struct crypto_alg aes_alg = {
         .cra_name               =       "aes",
         .cra_flags              =       CRYPTO_ALG_TYPE_CIPHER,
         .cra_blocksize          =       AES_BLOCK_SIZE,
-        .cra_ctxsize            =       sizeof(struct aes_ctx) +
-                                        PADLOCK_ALIGNMENT,
+        .cra_ctxsize            =       sizeof(struct aes_ctx),
         .cra_alignmask          =       PADLOCK_ALIGNMENT - 1,
         .cra_module             =       THIS_MODULE,
         .cra_list               =       LIST_HEAD_INIT(aes_alg.cra_list),