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authorHerbert Xu <herbert@gondor.apana.org.au>2016-07-12 13:17:46 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-07-18 17:35:43 +0800
commitda721302a78807e5da2902677fbe116fe052068f (patch)
tree63fc57ef2e9c3466558c165a2d1289b5e7632b17
parentef22871f20e6da987e32719a4ba5e3a9b7d81ae8 (diff)
crypto: aead - Remove blkcipher null for IV generators
The blkcipher null object is no longer used and can now be removed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/aead.c8
-rw-r--r--include/crypto/internal/geniv.h1
2 files changed, 0 insertions, 9 deletions
diff --git a/crypto/aead.c b/crypto/aead.c
index a5d9a83f90e4..3f5c5ff004ab 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -299,11 +299,6 @@ int aead_init_geniv(struct crypto_aead *aead)
if (IS_ERR(ctx->sknull))
goto out;
- ctx->null = crypto_get_default_null_skcipher();
- err = PTR_ERR(ctx->null);
- if (IS_ERR(ctx->null))
- goto drop_sknull;
-
child = crypto_spawn_aead(aead_instance_ctx(inst));
err = PTR_ERR(child);
if (IS_ERR(child))
@@ -319,8 +314,6 @@ out:
return err;
drop_null:
- crypto_put_default_null_skcipher();
-drop_sknull:
crypto_put_default_null_skcipher2();
goto out;
}
@@ -331,7 +324,6 @@ void aead_exit_geniv(struct crypto_aead *tfm)
struct aead_geniv_ctx *ctx = crypto_aead_ctx(tfm);
crypto_free_aead(ctx->child);
- crypto_put_default_null_skcipher();
crypto_put_default_null_skcipher2();
}
EXPORT_SYMBOL_GPL(aead_exit_geniv);
diff --git a/include/crypto/internal/geniv.h b/include/crypto/internal/geniv.h
index e8447c9c14e6..2bcfb931bc5b 100644
--- a/include/crypto/internal/geniv.h
+++ b/include/crypto/internal/geniv.h
@@ -20,7 +20,6 @@
struct aead_geniv_ctx {
spinlock_t lock;
struct crypto_aead *child;
- struct crypto_blkcipher *null;
struct crypto_skcipher *sknull;
u8 salt[] __attribute__ ((aligned(__alignof__(u32))));
};