string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / crypto / blkcipher.c

diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index ca6ef06..90d26c9 100644 (file)
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -124,6 +124,7 @@ int blkcipher_walk_done(struct blkcipher_desc *desc,
        scatterwalk_done(&walk->in, 0, nbytes);
        scatterwalk_done(&walk->out, 1, nbytes);
 
+err:
        walk->total = nbytes;
        walk->nbytes = nbytes;
 
@@ -132,7 +133,6 @@ int blkcipher_walk_done(struct blkcipher_desc *desc,
                return blkcipher_walk_next(desc, walk);
        }
 
-err:
        if (walk->iv != desc->info)
                memcpy(desc->info, walk->iv, crypto_blkcipher_ivsize(tfm));
        if (walk->buffer != walk->page)
@@ -450,6 +450,10 @@ static int crypto_init_blkcipher_ops_async(struct crypto_tfm *tfm)
        crt->setkey = async_setkey;
        crt->encrypt = async_encrypt;
        crt->decrypt = async_decrypt;
+       if (!alg->ivsize) {
+               crt->givencrypt = skcipher_null_givencrypt;
+               crt->givdecrypt = skcipher_null_givdecrypt;
+       }
        crt->base = __crypto_ablkcipher_cast(tfm);
        crt->ivsize = alg->ivsize;
 
@@ -517,7 +521,7 @@ static int crypto_grab_nivcipher(struct crypto_skcipher_spawn *spawn,
        int err;
 
        type = crypto_skcipher_type(type);
-       mask = crypto_skcipher_mask(mask) | CRYPTO_ALG_GENIV;
+       mask = crypto_skcipher_mask(mask)| CRYPTO_ALG_GENIV;
 
        alg = crypto_alg_mod_lookup(name, type, mask);
        if (IS_ERR(alg))