crypto: remove direct blkcipher_walk dependency on transform

In order to allow other uses of the blkcipher walk API than the blkcipher
algos themselves, this patch copies some of the transform data members to the
walk struct so the transform is only accessed at walk init time.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index e73c19e90e38..d9d14a0f0653 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -100,9 +100,12 @@ struct blkcipher_walk {
         void *page;
         u8 *buffer;
         u8 *iv;
+        unsigned int ivsize;
 
         int flags;
-        unsigned int blocksize;
+        unsigned int walk_blocksize;
+        unsigned int cipher_blocksize;
+        unsigned int alignmask;
 };
 
 struct ablkcipher_walk {