From 4660720df61321f9746353ad3188bf4de2408b67 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Tue, 18 Oct 2011 13:32:19 +0300 Subject: crypto: lrw - use blocksize constant LRW has fixed blocksize of 16. Define LRW_BLOCK_SIZE and use in place of crypto_cipher_blocksize(). Signed-off-by: Jussi Kivilinna Signed-off-by: Herbert Xu --- crypto/lrw.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'crypto/lrw.c') diff --git a/crypto/lrw.c b/crypto/lrw.c index fca3246a953f..bee60226f723 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -27,6 +27,8 @@ #include #include +#define LRW_BLOCK_SIZE 16 + struct priv { struct crypto_cipher *child; /* optimizes multiplying a random (non incrementing, as at the @@ -61,7 +63,7 @@ static int setkey(struct crypto_tfm *parent, const u8 *key, struct crypto_cipher *child = ctx->child; int err, i; be128 tmp = { 0 }; - int bsize = crypto_cipher_blocksize(child); + int bsize = LRW_BLOCK_SIZE; crypto_cipher_clear_flags(child, CRYPTO_TFM_REQ_MASK); crypto_cipher_set_flags(child, crypto_tfm_get_flags(parent) & @@ -134,7 +136,7 @@ static int crypt(struct blkcipher_desc *d, { int err; unsigned int avail; - const int bs = crypto_cipher_blocksize(ctx->child); + const int bs = LRW_BLOCK_SIZE; struct sinfo s = { .tfm = crypto_cipher_tfm(ctx->child), .fn = fn @@ -218,7 +220,7 @@ static int init_tfm(struct crypto_tfm *tfm) if (IS_ERR(cipher)) return PTR_ERR(cipher); - if (crypto_cipher_blocksize(cipher) != 16) { + if (crypto_cipher_blocksize(cipher) != LRW_BLOCK_SIZE) { *flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN; crypto_free_cipher(cipher); return -EINVAL; -- cgit v1.2.1