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>
diff --git a/crypto/aead.c b/crypto/aead.c
index a5d9a83..3f5c5ff 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -299,11 +299,6 @@
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 @@
return err;
drop_null:
- crypto_put_default_null_skcipher();
-drop_sknull:
crypto_put_default_null_skcipher2();
goto out;
}
@@ -331,7 +324,6 @@
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 e8447c9..2bcfb93 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))));
};