From 2e306ee016fd4750289e65c3b1856db569f1f3f2 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sun, 17 Dec 2006 10:05:58 +1100 Subject: [CRYPTO] api: Add type-safe spawns This patch allows spawns of specific types (e.g., cipher) to be allocated. Signed-off-by: Herbert Xu --- crypto/lrw.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'crypto/lrw.c') diff --git a/crypto/lrw.c b/crypto/lrw.c index 56642586d84f..b4105080ac7a 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -201,21 +201,22 @@ static int decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, static int init_tfm(struct crypto_tfm *tfm) { + struct crypto_cipher *cipher; struct crypto_instance *inst = (void *)tfm->__crt_alg; struct crypto_spawn *spawn = crypto_instance_ctx(inst); struct priv *ctx = crypto_tfm_ctx(tfm); u32 *flags = &tfm->crt_flags; - tfm = crypto_spawn_tfm(spawn); - if (IS_ERR(tfm)) - return PTR_ERR(tfm); + cipher = crypto_spawn_cipher(spawn); + if (IS_ERR(cipher)) + return PTR_ERR(cipher); - if (crypto_tfm_alg_blocksize(tfm) != 16) { + if (crypto_cipher_blocksize(cipher) != 16) { *flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN; return -EINVAL; } - ctx->child = crypto_cipher_cast(tfm); + ctx->child = cipher; return 0; } -- cgit v1.2.3-59-g8ed1b